[{"from": "human", "value": "What can you tell me about this molecule? [C][=C][C][=Branch1][=C][=C][C][=C][Ring1][=Branch1][C][C][C][C][=Branch1][C][=O][O][N][Branch1][Ring2][C][C][Cl][C][C][Cl]"}, {"from": "gpt", "value": "The molecule is an orally-active antineoplastic aromatic nitrogen mustard. Chlorambucil alkylates and cross-links DNA during all phases of the cell cycle, resulting in disruption of DNA function, cell cycle arrest, and apoptosis.  (NCI04)"}]