[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule has been used in trials studying the treatment of Knee Osteoarthritis."}, {"from": "gpt", "value": "[C][C][C][N][C][C][=Branch2][Ring1][Ring1][=C][Branch1][Branch1][C][Ring1][Branch1][=O][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][S][=Branch1][C][=O][=Branch1][C][=O][C]"}]