[{"from": "human", "value": "Could you provide a description of this molecule? [C][O][/C][=Branch1][Branch2][=C][/C][=Branch1][C][=O][O][C][/C][=Branch1][C][=O][C][Branch1][S][C][C][C][C][C][C][C][/C][=C][/C][/C][=C][/C][C][=C][C][=Branch1][C][=O][O][C]"}, {"from": "gpt", "value": "The molecule is an oxo carboxylic acid."}]