[{"from": "human", "value": "What can you tell me about this molecule? [C][Branch1][#Branch2][C][S][=Branch1][C][=O][=Branch1][C][=O][O-1][O]"}, {"from": "gpt", "value": "The molecule is the alkanesulfonate that is the anion formed from isethionic acid by loss of a proton from the sulfo group; major microspecies at pH 7.3. It is a conjugate base of an isethionic acid."}]