[{"from": "human", "value": "Provide a brief overview of this molecule. [C][Branch1][P][C][N][Branch1][#Branch1][C][C][=Branch1][C][=O][O-1][C][C][=Branch1][C][=O][O-1][N][Branch2][Ring1][C][C][C][N][Branch1][#Branch1][C][C][=Branch1][C][=O][O-1][C][C][=Branch1][C][=O][O-1][C][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a pentacarboxylic acid anion. It is a conjugate base of a pentetate(3-). It is a conjugate acid of a pentetate(5-)."}]