User: I have a question about the chemical with SMILES CC[C@@]1(O)CC(=O)OCc2c1cc1n(c2=O)Cc2cc3cc(F)c(F)cc3nc2-1.
Assistant: How can I help?
User: Please provide a description of this drug's mechanism of action.
Assistant: The answer is DNA topoisomerase I inhibitor
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#}
CC[C@@]1(O)CC(=O)OCc2c1cc1n(c2=O)Cc2cc3cc(F)c(F)cc3nc2-1
CC[C@@]1(O)CC(=O)OCc2c1cc1n(c2=O)Cc2cc3cc(F)c(F)cc3nc2-1
(20R)-20-ethyl-6,7-difluoro-20-hydroxy-17-oxa-3,13-diazapentacyclo[11.9.0.02,11.04,9.015,21]docosa-1(22),2(11),3,5,7,9,15(21)-heptaene-14,18-dione
Please provide a description of this drug's mechanism of action.
DNA topoisomerase I inhibitor