[{"from": "human", "value": "Please give me some details about this molecule. [C][=C][Branch2][Ring1][=Branch2][C][Branch1][P][C][C][C][C][C][C][O][C][=Branch1][C][=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."}]