[{"from": "human", "value": "Describe this molecule. [C][Branch1][P][C][O][P][=Branch1][C][=O][Branch1][Branch1][N][C][C][Cl][N][C][C][Cl][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a phosphorodiamide."}]