[{"from": "human", "value": "What can you tell me about 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-1][/C][/C]"}, {"from": "gpt", "value": "The molecule is a monocarboxylic acid anion resulting from the deprotonation of the carboxy group of (4S)-4,16-dihydroxyretinoic acid. It is a conjugate base of a (4S)-4,16-dihydroxyretinoic acid."}]