[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][N][Branch1][#C][P][=Branch1][C][=O][Branch1][Branch1][O][C][Ring1][#Branch1][N][C][C][Cl][C][C][Cl]"}, {"from": "gpt", "value": "The molecule is a synthetic analogue of the nitrogen mustard cyclophosphamide with antineoplastic activity. Ifosfamide alkylates and forms DNA crosslinks, thereby preventing DNA strand separation and DNA replication.  This agent is a prodrug that must be activated through hydroxylation by hepatic microsomal enzymes. (NCI04)"}]