[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][=Branch1][C][=O][Branch1][C][N][N][C][=Branch1][C][=O][N][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is an organic anion resulting from the deprotonation of the carbamic acid group of 1-carboxybiuret. It is a conjugate base of a 1-carboxybiuret."}]