[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a hydrochloride resulting from the reaction of 1,2,dimethylhydrazine with 2 mol eq. of hydrogen chloride. It contains a 1,2-dimethylhydrazine(2+)."}, {"from": "gpt", "value": "[C][N][N][C].[Cl].[Cl]"}]