[{"from": "human", "value": "Please give me some details about this molecule. [C][Branch1][#Branch2][C][S][=Branch1][C][=O][=Branch1][C][=O][O][C][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is a non-proteinogenic alpha-amino acid that is homocysteine in which the thiol group has benn oxidised to the corresponding sulfonic acid. It is an amino sulfonic acid, a carboxyalkanesulfonic acid and a non-proteinogenic alpha-amino acid. It is functionally related to a homocysteine."}]