[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a member of the class of hydrazines that is hydrazine in which one of the hydrogens attached to each nitrogen is replaced by a methyl group. A powerful DNA alkylating agent and carcinogen, it is used to induce colon cancer in laboratory rats and mice. It has a role as a carcinogenic agent and an alkylating agent. It is a conjugate base of a 1,2-dimethylhydrazine(2+)."}, {"from": "gpt", "value": "[C][N][N][C]"}]