[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][=C][Branch1][=C][C][Branch1][#Branch1][C][C][C][Ring1][=Branch1][O][Branch1][C][C][C][/C][=C][/C][=Branch1][=C][=C][\\C][=C][\\C][=Branch1][#Branch1][=C][\\C][=Branch1][C][=O][O-1][\\C][/C]"}, {"from": "gpt", "value": "The molecule is a retinoid anion that is the conjugate base of 9-cis-4-hydroxyretinoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a retinoid anion and a hydroxy monocarboxylic acid anion. It is a conjugate base of a 9-cis-4-hydroxyretinoic acid."}]