[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a natural product found in Rosa rugosa with data available."}, {"from": "gpt", "value": "[C][C][=C][C][C@][Branch1][Branch1][C][C][Ring1][=Branch1][C@H1][Branch1][#Branch2][C][C][=Branch1][C][=O][C][Ring1][Branch2][=C][C][Branch1][C][C][C]"}]