[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a tricyclic sesquiterpenoid with formula C15H26O which is biosynthesised from farnesyl diphosphate by a sesquiterpene cyclase enzyme from Kitasatospora setae. It is a sesquiterpenoid, a cyclic ether and an organic heterotricyclic compound."}, {"from": "gpt", "value": "[C][C@H1][C][C][C@][C@@H1][Ring1][Branch1][C][C][C@][Branch1][Ring2][C][Ring1][=Branch1][Branch1][#Branch2][O][C@H1][Ring1][Branch2][C][Branch1][C][C][C][C]"}]