[{"from": "human", "value": "Please give me some details 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 less toxic than most other nitrogen mustards, it has been listed as a known carcinogen in the Fourth Annual Report on Carcinogens (NTP 85-002, 1985)."}]