[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule has been proposed as an anti-arthritic. It is no longer approved for use in the United States."}, {"from": "gpt", "value": "[C][C][Branch2][Ring1][=Branch1][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][C][=C][C][=C][S][Ring1][Branch1][C][=Branch1][C][=O][O]"}]