[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a natural product found in Centaurea zuccariniana with data available."}, {"from": "gpt", "value": "[C][C@@][C][C@@H1][Branch2][Ring1][N][C@@H1][C@@H1][Branch1][#C][C@H1][Ring1][=Branch1][C@@H1][Branch1][#Branch1][C][C][C@H1][Ring1][#Branch2][O][C][=O][O][C][=Branch1][C][=O][C][Ring1][=C][=C][O]"}]