[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a monocarboxylic acid anion resulting from the deprotonation of 6-hydroxynicotinic acid; the major species at pH 7.3. It is a conjugate base of a 6-hydroxynicotinic acid."}, {"from": "gpt", "value": "[C][=C][C][=Branch1][C][=O][N][C][=C][Ring1][#Branch1][C][=Branch1][C][=O][O-1]"}]