[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. Phenacetin was withdrawn from the Canadian market in June 1973 due to concerns regarding nephropathy (damage to or disease of the kidney)."}, {"from": "gpt", "value": "[C][C][O][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][C][=Branch1][C][=O][C]"}]