[{"from": "human", "value": "Provide a brief overview of this molecule. [C][Branch1][Ring1][C][Cl][N][C][=Branch1][C][=O][N][Branch1][Ring2][C][C][Cl][N][=O]"}, {"from": "gpt", "value": "The molecule is an Alkylating Drug. The mechanism of action of carmustine is as an Alkylating Activity."}]