[{"from": "human", "value": "Please give me some details about this molecule. [C][Branch1][P][C][N][Branch1][#Branch1][C][C][=Branch1][C][=O][O][C][C][=Branch1][C][=O][O][N][Branch2][Ring1][C][C][C][N][Branch1][#Branch1][C][C][=Branch1][C][=O][O][C][C][=Branch1][C][=O][O][C][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a pentacarboxylic acid. It has a role as a copper chelator. It is a conjugate acid of a pentetate(1-)."}]