[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is an imidazolyl carboxylic acid anion that is the conjugate base of dihydrourocanic acid, obtained by deprotonation of the carboxy group. It is functionally related to a propionate. It is a conjugate base of a dihydrourocanic acid."}, {"from": "gpt", "value": "[C][=C][Branch1][=Branch1][N][C][=N][Ring1][Branch1][C][C][C][=Branch1][C][=O][O-1]"}]