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