[{"from": "human", "value": "What can you tell me about this molecule? [C][S][C][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O][N][C][=N][C][=C][C][=C][C][=C][Ring1][=Branch1][S][Ring1][=Branch2]"}, {"from": "gpt", "value": "The molecule is a methionine derivative."}]