[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a iodobenzoate that is the conjugate base of 4-iodobenzoic acid; major microspecies at pH 7.3. It is functionally related to a benzoate."}, {"from": "gpt", "value": "[C][=C][C][=Branch1][O][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][O-1][I]"}]