[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is an Opioid Agonist. The mechanism of action of tapentadol is as an Opioid Agonist."}, {"from": "gpt", "value": "[C][C][C@@H1][Branch1][N][C][=C][C][=Branch1][=Branch1][=C][C][=C][Ring1][=Branch1][O][C@@H1][Branch1][C][C][C][N][Branch1][C][C][C]"}]