[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a natural product found in Cyperus rotundus with data available."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=C][C@@H1][C][C][C@][Branch2][Ring1][Ring2][C][C][C@@H1][Branch1][=C][C@][Ring1][Branch1][Branch1][Ring2][C][Ring1][=Branch2][C][=Branch1][C][=O][C][O][C]"}]