[{"from": "human", "value": "Provide a description of this molecule. [C][Branch1][#Branch1][C][Branch1][Ring1][C][=O][O][S][=Branch1][C][=O][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is an alkanesulfonic acid that is propanal carrying hydroxy and sulfo substituents at positions 2 and 3 respectively It is an alkanesulfonic acid, a secondary alcohol and a member of propanals. It is functionally related to a propanal. It is a conjugate acid of a 3-sulfolactaldehyde(1-)."}]