[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a natural product found in Ixeridium gracile, Montanoa leucantha, and Sinacalia tangutica with data available."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][O][C@H1][C][C][C@@][Branch2][Branch1][Branch1][C@H1][C][C][C@@H1][C@H1][C@@H1][Branch2][Ring2][O][C][=Branch1][C][=C][C][C][C@@][Ring1][#Branch1][Branch2][Ring1][=C][C][C][C@][Ring1][O][Branch2][Ring1][Branch1][C@@][Ring1][#C][Branch1][#C][C][C][C@H1][Ring2][Ring1][Ring1][C][Ring2][Ring1][#Branch1][Branch1][C][C][C][C][C][C][C][C]"}]