[{"from": "human", "value": "Could you provide a description of this molecule? [C][N][Branch1][Ring2][C][C][Cl][C][C][Cl].[Cl]"}, {"from": "gpt", "value": "The molecule is the hydrochloride salt of mechlorethamine. It has a role as an antineoplastic agent. It contains a mechlorethamine."}]