[{"from": "human", "value": "What can you tell me about this molecule? [C][C][O][P][=Branch1][C][=O][Branch2][Ring1][C][C][Branch1][C][C][N][C][=Branch1][C][=O][N][Branch1][Ring2][C][C][Cl][N][=O][O][C][C]"}, {"from": "gpt", "value": "The molecule is a member of the class of N-nitrosoureas that is ethyl diethylphosphonate in the hydrogen at position 1 of the ethyl group attached to the phosphorus has been replaced by a [(2-chloroethyl)(nitroso)carbamoyl]amino group. It is an organic phosphonate, a member of N-nitrosoureas and an organochlorine compound."}]