[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a terpene lactone."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][Ring1][=Branch1][Branch2][Ring1][Branch1][C][Branch1][P][C][=C][Branch1][N][C][=Branch1][C][=O][O][C][Ring1][=Branch1][C][Ring1][#Branch2][C][O][C]"}]