[{"from": "human", "value": "What can you tell me about this molecule? [C][S][C][Branch1][O][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O][N][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a glutamic acid derivative with a methylsulfanyl group at position 4. It has a role as a metabolite. It is a glutamic acid derivative, a sulfur-containing amino acid, a non-proteinogenic alpha-amino acid and a methyl sulfide."}]