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