[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is an oxo carboxylic acid anion that is the conjugate base of 5-(3'-carboxy-3'-oxopropyl)-4,6-dihydroxypicolinic acid. It is a conjugate base of a 5-(3'-carboxy-3'-oxopropyl)-4,6-dihydroxypicolinic acid."}, {"from": "gpt", "value": "[C][=C][Branch2][Ring1][Branch2][N][C][=Branch1][C][=O][C][=Branch1][Branch1][=C][Ring1][#Branch1][O-1][C][C][C][=Branch1][C][=O][C][=Branch1][C][=O][O][C][=Branch1][C][=O][O]"}]