[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a tricyclic diterpenoid."}, {"from": "gpt", "value": "[C][C@][Branch2][Ring2][=Branch2][C][C@@H1][Branch2][Ring2][Ring1][C@][Branch2][Ring1][=C][C@@H1][C][C][C][C][Branch2][Ring1][C][C@][Ring1][=Branch1][Branch1][N][C][C][=Branch1][C][=O][C][Ring1][O][=C][Ring1][#C][O][Branch1][C][C][C][C][O][C][=C]"}]