[{"from": "human", "value": "Please give me some details about this molecule. [C][Branch1][#Branch2][C][S][=Branch1][C][=O][=Branch1][C][=O][O][O]"}, {"from": "gpt", "value": "The molecule is an alkanesulfonic acid in which the sulfo group is directly linked to a 2-hydroxyethyl group. It has a role as a human metabolite. It is a conjugate acid of an isethionate."}]