[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a hydroxy monocarboxylic acid anion that is the conjugate base of 3-dimethylallyl-4-hydroxymandelic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a 3-dimethylallyl-4-hydroxymandelic acid."}, {"from": "gpt", "value": "[C][C][=Branch2][Ring1][#Branch2][=C][C][C][=C][Branch2][Ring1][C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][Branch1][=Branch1][C][=Branch1][C][=O][O-1][O][O][C]"}]