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