[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a dicarboxylic acid dianion resulting from the deprotonation of the two carboxy groups of 3-hydroxyglutaric acid; major species at pH 7.3. It is a conjugate base of a 3-hydroxyglutaric acid."}, {"from": "gpt", "value": "[C][Branch1][O][C][Branch1][#Branch1][C][C][=Branch1][C][=O][O-1][O][C][=Branch1][C][=O][O-1]"}]