[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a pentacyclic sesterterpene derivative."}, {"from": "gpt", "value": "[C][C@H1][C][C][C@][C@H1][Branch2][Ring2][#Branch2][C][C][C@H1][Ring1][Branch1][C@@][Ring1][=Branch1][Branch2][Ring1][=C][C@@][Branch2][Ring1][=Branch2][C@@H1][Ring1][O][C][C@][Branch1][P][C][C][C@@H1][Branch1][#Branch1][C@@H1][Ring1][Branch1][C][Ring1][=Branch2][C][Branch1][C][C][C][C][O][C][C]"}]