[{"from": "human", "value": "What can you tell me about this molecule? [C][C][N][P][=Branch1][C][=O][Branch1][Branch1][O][C][Ring1][#Branch1][N][Branch1][Ring2][C][C][Cl][C][C][Cl]"}, {"from": "gpt", "value": "The molecule is a fine white crystalline powder. Odorless with a slightly bitter taste. Melting point 41-45 \u00b0C. A 2% solution has pH of 4 to 6. Used medicinally as an antineoplastic agent."}]