[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][Branch2][Ring1][O][C][Branch2][Ring1][C][C][C][Branch1][=Branch2][C][Ring1][=Branch1][C][=Branch1][C][=O][O][C][=Branch1][C][=O][O][C][=Branch1][C][=O][O][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is an organooxygen compound. It is functionally related to a tetracarboxylic acid."}]