[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is the C-sulfonato derivaive of lactic acid. It is functionally related to a rac-lactic acid. It is a conjugate acid of a 3-sulfonatolactate(2-)."}, {"from": "gpt", "value": "[C][Branch1][#Branch2][C][Branch1][=Branch1][C][=Branch1][C][=O][O][O][S][=Branch1][C][=O][=Branch1][C][=O][O]"}]