[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a natural product found in Centaurea bracteata and Centaurea jacea with data available."}, {"from": "gpt", "value": "[C][C@H1][Branch2][Ring1][Ring2][C@H1][Branch1][S][C@@H1][Branch1][N][C@][Branch1][Ring2][O][Ring1][=Branch1][Branch1][Ring1][C][O][O][O][O][O]"}]