[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][Branch1][#Branch2][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N][S][S]"}, {"from": "gpt", "value": "The molecule is an S-substituted L-cysteine where the S-substituent is specified as sulfanyl. It has a role as a human metabolite and a mouse metabolite. It is a tautomer of a 3-disulfanyl-L-alanine zwitterion."}]