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