[{"from": "human", "value": "Please give me some details about this molecule. [H+1].[C][O][C][C][O][C][=C][Branch2][Ring1][=C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=Branch1][=Branch1][=N][C][=N][Ring1][#Branch1][N][C][=C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][#C][O][C][C][O][C].[Cl-1]"}, {"from": "gpt", "value": "The molecule is the hydrochloride salt of erlotinib. It has a role as a protein kinase inhibitor and an antineoplastic agent. It is a hydrochloride and a terminal acetylenic compound. It contains an erlotinib."}]