[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a diterpenoid. It derives from a hydride of an atisane."}, {"from": "gpt", "value": "[C][C][Branch2][Ring2][Branch1][C][C][C][C][C][C][Branch2][Ring1][Branch2][C][Branch1][P][C][C][Ring1][=Branch1][C][Ring1][#Branch2][Branch1][#Branch1][C][C][C][Ring1][=C][=O][C][C][=C][Ring1][=C][Branch1][C][C][O][C]"}]