[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][=Branch1][C][=O][N][N]"}, {"from": "gpt", "value": "The molecule is a carbohydrazide that is hydrazine in which one of the hydrogens is replaced by an acetyl group. It has a role as a drug metabolite. It is a tautomer of an acetohydrazonic acid."}]