[{"from": "human", "value": "Could you provide a description of this molecule? [C][=C][Branch1][O][C][=C][Branch1][=Branch1][C][=C][Ring1][=Branch1][O][O-1][C][=Branch1][C][=O][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "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."}]