[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][O][C][=C][C][=Branch1][#Branch2][=C][C][=Branch1][Branch1][=C][Ring1][=Branch1][O-1][O][/C][=C][/C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a monocarboxylic acid anion that is the conjugate base of 5-hydroxyferulic acid, obtained by the deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a 5-hydroxyferulic acid."}]