[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a retinoid anion that is the conjugate base of 13-cis-4-oxoretinoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3."}, {"from": "gpt", "value": "[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]"}]