[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][O][P][=Branch1][C][=O][Branch1][#Branch1][N][C][Ring1][#Branch1][O][O][N][Branch1][Ring2][C][C][Cl][C][C][Cl]"}, {"from": "gpt", "value": "The molecule is the active metabolite of the nitrogen mustard cyclophosphamide with potent antineoplastic and immunosuppressive properties. Perfosfamide alkylates DNA, thereby inhibiting DNA replication and RNA and protein synthesis. (NCI04)"}]