[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a terpene lactone. It has a role as a metabolite."}, {"from": "gpt", "value": "[C][C][=C][C][C@@H1][Branch2][Ring2][N][C@H1][C@@H1][Ring1][=Branch1][C@@][Branch2][Ring1][N][C@H1][Ring1][Ring2][C][=Branch1][C][=O][C@@][Branch1][Ring2][O][Ring1][=Branch1][C][=Branch1][C][=O][O][C][C@@][Ring1][#Branch1][Branch1][C][C][C][=C][C][=C][C][=C][C][=C][Ring1][=Branch1][C@H1][Branch1][C][C][C][C][C][=C][Branch1][C][C][C]"}]