[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a triterpene that is (13alpha,14beta,17alpha,20S)-lanostane."}, {"from": "gpt", "value": "[C][C@@H1][Branch1][=Branch2][C][C][C][C][Branch1][C][C][C][C@@H1][C][C][C@][Branch2][Ring1][P][C@][Ring1][Branch1][Branch2][Ring1][#Branch2][C][C][C@H1][C@H1][Ring1][=Branch1][C][C][C@@H1][C@@][Ring1][=Branch1][Branch1][O][C][C][C][C][Ring1][=Branch1][Branch1][C][C][C][C][C][C]"}]