User: I want to know more about the molecule with SMILES C[C@]12CC[C@H](O)CC1=CC[C@@H]1[C@@H]2CC[C@]2(C)C(n3cnc4ccccc43)=CC[C@@H]12.
Assistant: Interesting, how can I help?
User: Please provide a description of this drug's mechanism of action.
Assistant: Cytochrome P450 17A1 inhibitor
User: I want to know more 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#}
C[C@]12CC[C@H](O)CC1=CC[C@@H]1[C@@H]2CC[C@]2(C)C(n3cnc4ccccc43)=CC[C@@H]12
C[C@]12CC[C@H](O)CC1=CC[C@@H]1[C@@H]2CC[C@]2(C)C(n3cnc4ccccc43)=CC[C@@H]12
(3S,8R,9S,10R,13S,14S)-17-(benzimidazol-1-yl)-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15-decahydro-1H-cyclopenta[a]phenanthren-3-ol
Please provide a description of this drug's mechanism of action.