[{"from": "human", "value": "Provide a brief overview of this molecule. [C][S][C][Branch1][#Branch2][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a sulfur-containing amino acid that is L-aspartic acid substituted at position 3 by a methylthio group. It is a sulfur-containing amino acid, a L-aspartic acid derivative, a non-proteinogenic L-alpha-amino acid, an amino dicarboxylic acid, a C4-dicarboxylic acid and a methyl sulfide. It is functionally related to a 3-thio-L-aspartic acid. It is a conjugate acid of a 3-methylthioaspartate(1-)."}]