[{"from": "human", "value": "Provide a brief overview of this molecule. [C][O][C][=Branch1][C][=O][C][C][C][C][C][C][C][=Branch1][C][=O][N][/N][=C][/C][=C][C][=C][Branch1][Ring2][O][Ring1][Branch1][S][=Branch1][C][=O][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is an arenesulfonic acid."}]