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