[{"from": "human", "value": "What can you tell me about this molecule? [C][C][=C][Branch1][=Branch1][N][=C][N][Ring1][Branch1][C][S][=Branch1][C][=O][C][C][N][C][=Branch1][Ring1][=N][C][N][C][#N]"}, {"from": "gpt", "value": "The molecule is a sulfoxide. It is functionally related to a cimetidine."}]