[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][C][C][C][C][C][=Branch1][C][=O][O][C][/C][=C][Branch1][C][\\C][/C][=C][/C][=C][Branch1][C][\\C][/C][=C][/C][=C][Branch1][O][C][C][C][C][Ring1][=Branch1][Branch1][C][C][C][C]"}, {"from": "gpt", "value": "The molecule is an all-trans-retinyl ester obtained by formal condensation of the carboxy group of heptanoic acid with the hydroxy group of all-trans-retinol. It is functionally related to a heptanoic acid."}]