[{"from": "human", "value": "Provide a description of this molecule. [C][Branch1][=Branch1][C][=Branch1][C][=O][O][S][=Branch1][C][=O][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a carboxyalkanesulfonic acid that is the C-sulfo derivative of acetic acid. It has a role as an Escherichia coli metabolite. It is functionally related to an acetic acid. It is a conjugate acid of a sulfonatoacetate."}]