[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][=C][Branch2][Ring1][C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][N][Branch1][Ring2][C][C][Cl][C][C][Cl][/C][=N][/N][C][=Branch1][C][=O][C][=C][C][=C][O][Ring1][Branch1]"}, {"from": "gpt", "value": "The molecule is a nitrogen mustard."}]