[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a eudesmane sesquiterpenoid."}, {"from": "gpt", "value": "[C][C][=C][C][=Branch1][C][=O][C@@H1][Branch1][P][C][C][C@][Ring1][#Branch1][Branch1][=Branch2][C@@H1][Branch1][Branch1][C][C][Ring1][O][O][C][C][Branch1][C][C][C]"}]