[{"from": "human", "value": "What can you tell me about this molecule? [C][C][O][C][=Branch1][C][=O][C][Branch1][#Branch1][C][C][Branch1][C][C][C][N][C][=Branch1][C][=O][C][Branch2][Ring1][Branch1][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][Branch1][Ring2][C][C][Cl][C][C][Cl][N][C][=Branch1][C][=O][C]"}, {"from": "gpt", "value": "The molecule is an L-leucine derivative of melphalan with antineoplastic activity. Asaley alkylates and crosslinks DNA, resulting in disruption of DNA synthesis. (NCI04)"}]