[{"from": "human", "value": "Provide a description of this molecule. [C][C][=Branch1][C][=O][N][C@@H1][Branch1][O][C][C][S][=Branch1][C][=N][=Branch1][C][=O][C][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is an N-acyl-L-alpha-amino acid that is L-methionine sulfoximine in which a hydrogen attached to the nitrogen is replaced by an acetyl group. It is a N-acetyl-L-amino acid, a L-methionine derivative, a N-acyl-L-alpha-amino acid and a sulfoximide. It is a conjugate acid of a N-acetyl-L-methionine sulfoximine(1-)."}]