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