User: I have a question about the molecule with SMILES O[C@H]([C@H](O)[C@@H]1CO1)[C@H]1CO1.
Assistant: That sounds interesting, how can I help?
User: Please provide a description of this drug's mechanism of action.
Assistant: The answer is DNA cross-linking agent
User: I have a question about the {#molecule|chemical|compound!} with {SMILES__description} {SMILES#}.
Assistant: {#Sure, what is your question?|How can I help?|That sounds interesting, how can I help?|Interesting, how can I help?!}
User: {quest#}
Assistant: {#The answer is |!}{answ#}
O[C@H]([C@H](O)[C@@H]1CO1)[C@H]1CO1
O[C@H]([C@H](O)[C@@H]1CO1)[C@H]1CO1
(1S,2R)-1-[(2S)-oxiran-2-yl]-2-[(2R)-oxiran-2-yl]ethane-1,2-diol
Please provide a description of this drug's mechanism of action.