[{"from": "human", "value": "Please give me some details about this molecule. [C][=C][C][=Branch1][C][=O][N][C][=C][Ring1][#Branch1][C][=Branch1][C][=O][C][C][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a 4-oxo monocarboxylic acid anion that is the conjugate base of 4-(6-hydroxypyridin-3-yl)-4-oxobutyric acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a 4-(6-hydroxypyridin-3-yl)-4-oxobutyric acid."}]