[{"from": "human", "value": "Provide a description of this molecule. [C][C][=C][Branch1][#C][C@@][Branch1][#Branch1][C][C][C@@H1][Ring1][=Branch1][O][Branch1][C][C][C][O][/C][=C][/C][=Branch1][=C][=C][/C][=C][/C][=Branch1][#Branch1][=C][/C][=Branch1][C][=O][O][/C][/C]"}, {"from": "gpt", "value": "The molecule is a retinoid that is all-trans-retinoic acid which has been hydroxylated at the 4-pro-S position and at the 16 position. It is a retinoid, a monocarboxylic acid, a primary alcohol and a secondary allylic alcohol. It is functionally related to an all-trans-4-hydroxyretinoic acid. It is a conjugate acid of a (4S)-4,16-dihydroxyretinoate."}]