[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a natural product found in Polygala karensium and Hypericum sampsonii with data available."}, {"from": "gpt", "value": "[C][O][C][=C][Branch2][Ring1][Branch2][C][=C][C][=Branch1][=Branch1][=C][Ring1][=Branch1][O][C][O][C][=C][C][=C][C][=C][Ring1][=Branch1][C][Ring1][=N][=O][O]"}]