[{"from": "human", "value": "Describe this molecule. [C][=C][C][=Branch2][Ring1][Ring1][=C][Branch1][#C][C][=Branch1][Ring2][=C][Ring1][=Branch1][S][=Branch1][C][=O][=Branch1][C][=O][O][O][O]"}, {"from": "gpt", "value": "The molecule is a dihydroxybenzenesulfonic acid in which the hydroxy groups are located at positions 2 and 3. It is a conjugate acid of a 2,3-dihydroxybenzenesulfonate."}]