[{"from": "human", "value": "Describe this molecule. [C][=C][N][=C][C][=Branch1][=Branch2][=C][Ring1][=Branch1][C][=Branch1][C][=O][O][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a cinchomeronate(1-). It is a tautomer of a 3-carboxypyridine-4-carboxylate."}]