[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a natural product found in Stereum with data available."}, {"from": "gpt", "value": "[C][C][=Branch2][Ring1][Ring2][=C][C][C@@H1][Branch1][#Branch2][C][=C][Branch1][Ring2][C][C][O][C][O][C][=Branch1][C][=O][O][C]"}]