[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a terpene lactone."}, {"from": "gpt", "value": "[C][C@H1][C][C][C][C@@H1][C@@][Ring1][=Branch1][Branch2][Ring1][Branch1][C][C][=C][Branch1][#C][C][=Branch1][C][=O][O][C@@][Ring1][=Branch1][Branch1][Ring2][C][Ring1][#Branch2][O][C][C]"}]