[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a natural product found in Piper aduncum and Xylaria with data available."}, {"from": "gpt", "value": "[C][C@@H1][C@@H1][Branch2][Ring1][#Branch2][C][=C][Branch1][#C][C][=C][C][=Branch1][=Branch2][=C][Ring1][=Branch1][C][=Branch1][C][=O][O][O][C][=Branch1][C][=O][O][Ring1][#C][O]"}]