[{"from": "human", "value": "Describe this molecule. [C][C][=C][Branch1][=N][C][Branch1][=Branch1][C][C][C][Ring1][=Branch1][Branch1][C][C][C][/C][=C][/C][=Branch1][=C][=C][/C][=C][/C][Branch1][C][C][C][C][=Branch1][C][=O][O-1][/C]"}, {"from": "gpt", "value": "The molecule is a retinoid anion that is the conjugate base of all-trans-13,14-dihydroretinoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a retinoid anion and a monocarboxylic acid anion. It is a conjugate base of an all-trans-13,14-dihydroretinoic acid."}]