[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a natural product found in Achillea pannonica with data available."}, {"from": "gpt", "value": "[C][C][=C][C][=Branch1][C][=O][C@@H1][C][C@H1][Ring1][#Branch1][C@][Ring1][Ring2][Branch1][O][C][C][C][C][Ring1][#Branch1][Branch1][C][C][C][C]"}]