[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a natural product found in Sextonia rubra with data available."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][O][C][C][Branch2][Ring1][=Branch1][C][C][C][C][Branch1][=Branch1][O][C][Ring1][Branch1][=O][C][C][C][C][C][C][C][C][C][#C][O][C][=Branch1][C][=O][C]"}]