[{"from": "human", "value": "Please give me some details about this molecule. [C][Branch2][Ring1][=N][C][Branch2][Ring1][Ring2][C][Branch1][=Branch2][P][=Branch1][C][=O][Branch1][C][O][O][P][=Branch1][C][=O][Branch1][C][O][O][C][=Branch1][C][=O][O][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a 1,1-bis(phosphonic acid)."}]