[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][=Branch1][C][=N][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is the carboxylate anion of 1,2-didehydroglycine. It is a conjugate base of a dehydroglycine and a dehydroglycine zwitterion."}]