[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a 2-oxo monocarboxylic acid anion that is the conjugate base of 3,5-dihydroxyphenylglyoxylic acid, obtained by deprotonation of the carboxy group."}, {"from": "gpt", "value": "[C][=C][Branch1][O][C][=C][Branch1][=Branch1][C][=C][Ring1][=Branch1][O][O-1][C][=Branch1][C][=O][C][=Branch1][C][=O][O]"}]