[{"from": "human", "value": "Could you provide a description of this molecule? [C][Branch1][#Branch2][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N][S][=Branch1][C][=O][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is the L-enantiomer of cysteic acid. It has a role as an Escherichia coli metabolite and a human metabolite. It is a cysteic acid, an amino sulfonic acid, a L-alanine derivative, a L-cysteine derivative and a non-proteinogenic L-alpha-amino acid. It is a conjugate acid of a L-cysteate(1-)."}]