\chemfig{
                   O% 7
    =[:300.2,1.613]% 25
                      (
        -[:240.2,1.613]% 30
                          (
                  -[:260.2]H% 57
                          )
                          (
                  -[:340.2]H% 58
                          )
        -[:180.2,1.613]O% 8
              -[:240.2]H% 63
                      )
      -[:0.2,1.613]% 14
                      (
       <:[:240.2,1.613]O% 3
              -[:300.2]H% 51
                      )
        -[:90,1.68]% 15
                      (
              -[:109.7]H% 41
                      )
                      (
              -[:189.9]H% 42
                      )
      -[:29.6,1.68]% 13
                      (
        <:[:89.3,1.613]O% 1
       >:[:149.3,1.613]% 19
                          (
                   -[:29.3]H% 45
                          )
        -[:209.3,1.613]O% 2
        -[:149.3,1.613]% 23
                          (
            <[:209.3,1.613]% 29
                              (
                      -[:209.3]H% 53
                              )
                              (
                      -[:299.3]H% 54
                              )
                  -[:119.3]H% 52
                          )
                          (
                  -[:269.3]H% 50
                          )
         -[:89.3,1.613]% 22
                          (
             -[:29.3,1.613]% 21
                              (
                -[:329.3,1.613]% 20
                                  (
                          -[:349.3]H% 46
                                  )
                                  (
                           -[:69.3]H% 47
                                  )
                -[:269.3,1.613]% -> 19
                              )
                              (
                      -[:149.3]H% 48
                              )
             <[:89.3,1.613]N% 12
                              (
                      -[:149.3]H% 56
                              )
                   -[:29.3]H% 55
                          )
                          (
                  -[:209.3]H% 49
                          )
        <[:149.3,1.613]O% 4
              -[:209.3]H% 59
                      )
                      (
              -[:149.5]H% 40
                      )
     -[:329.1,1.68]% 17
      -[:270,1.613]% 18
                      (
         -[:210.9,1.68]% 16
                          (
                  -[:230.6]H% 43
                          )
                          (
                  -[:310.7]H% 44
                          )
         -[:150.4,1.68]% -> 14
                      )
     =^[:330,1.613]% 26
                      (
          -[:270,1.613]O% 6
                -[:210]H% 61
                      )
       -[:30,1.613]% 28
      =^[:90,1.613]% 27
                      (
          -[:150,1.613]% 24
                          (
             =^[:210,1.613]% -> 17
                          )
           -[:90,1.613]O% 5
                 -[:30]H% 60
                      )
      -[:30.9,1.68]% 31
                      (
         =[:90.7,1.613]O% 9
                      )
     -[:330.4,1.68]% 33
      =^[:270,1.68]% 34
                      (
         -[:209.6,1.68]% 32
                          (
             -[:149.1,1.68]% -> 28
                          )
        =[:269.3,1.613]O% 10
                      )
     -[:329.1,1.75]% 36
                      (
              -[:269.3]H% 62
                      )
     =^[:29.6,1.75]% 38
                      (
              -[:329.8]H% 65
                      )
        -[:90,1.75]% 37
                      (
               -[:30.2]H% 64
                      )
    =^[:150.4,1.75]% 35
                      (
         -[:210.9,1.75]% -> 33
                      )
     -[:90.7,1.613]O% 11
     -[:30.7,1.613]% 39
                      (
              -[:300.7]H% 66
                      )
                      (
               -[:30.7]H% 67
                      )
          -[:120.7]H% 68
}