[{"from": "human", "value": "Describe this molecule. [C][N][C][C][C][C@H1][Ring1][Branch1][C][=C][N][=C][C][=C][Ring1][=Branch1].[C][N][C][C][C][C@H1][Ring1][Branch1][C][=C][N][=C][C][=C][Ring1][=Branch1].[O][S][=Branch1][C][=O][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule appears as a white solid. The sulfate salt of nicotine, an alkaloid obtained from tobacco. Toxic by ingestion or skin contact."}]