@<TRIPOS>MOLECULE
OXY_500_1RZA
    2     1     0     0     0
SMALL
NO_CHARGES

@<TRIPOS>ATOM
      1 O1         -6.0010    0.9310   17.7380 O.2       1 <0>         0.0000
      2 O2         -6.9250    0.7350   16.9080 O.2       1 <0>         0.0000
@<TRIPOS>BOND
     1    1    2 2