[{"from": "human", "value": "Provide a description of this molecule. [C][C][C][C][C][Branch1][Branch1][C][C][Ring1][#Branch1][N][C][Branch1][=Branch2][P][=Branch1][C][=O][Branch1][C][O][O][P][=Branch1][C][=O][Branch1][C][O][O]"}, {"from": "gpt", "value": "The molecule is a 1,1-bis(phosphonic acid)."}]