[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a Radioactive Diagnostic Agent. The mechanism of action of iodohippuric acid i-131 is as a Radiopharmaceutical Activity."}, {"from": "gpt", "value": "[C][=C][C][=C][Branch2][Ring1][C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=Branch1][C][=O][N][C][C][=Branch1][C][=O][O][131I]"}]