Q: Please provide a description of this drug's mechanism of action.
Description: The Chemical has the SMILES COc1cccc(Nc2ncnn3ccc(CN4CC[C@@H](N)[C@H](O)C4)c23)c1.
Answer: Epidermal growth factor receptor erbB1 inhibitor
{#Question|Q!}: {quest#}
{#Constraint:|Description:|!} The {#Molecule|Compound|Chemical!} {#has the|can be represented with the!} {SMILES__description} {SMILES#}.
{#Answer|Result|Answer!}: {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.