User: I have a question about the molecule with SMILES COc1cccc(Nc2ncnn3ccc(CN4CC[C@@H](N)[C@H](O)C4)c23)c1.
Assistant: Interesting, how can I help?
User: Please provide a description of this drug's mechanism of action.
Assistant: Epidermal growth factor receptor erbB1 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#}
COc1cccc(Nc2ncnn3ccc(CN4CC[C@@H](N)[C@H](O)C4)c23)c1
COc1cccc(Nc2ncnn3ccc(CN4CC[C@@H](N)[C@H](O)C4)c23)c1
(3R,4R)-4-amino-1-[[4-(3-methoxyanilino)pyrrolo[2,1-f][1,2,4]triazin-5-yl]methyl]piperidin-3-ol
Please provide a description of this drug's mechanism of action.