[{"from": "human", "value": "Generate a molecule based on this description. An alkylating agent proposed as an antineoplastic. It also acts as a chemosterilant for male houseflies and other insects."}, {"from": "gpt", "value": "[C][N][Branch1][C][C][C][=N][C][=Branch1][=N][=N][C][=Branch1][Ring2][=N][Ring1][=Branch1][N][Branch1][C][C][C][N][Branch1][C][C][C]"}]