[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a natural product found in Ptilota filicina with data available."}, {"from": "gpt", "value": "[C][C][/C][=C][/C][=Branch1][C][=O][/C][=C][\\C][=C][\\C@@H1][Branch1][#C][C][/C][=C][\\C][/C][=C][\\C][C][C][C][=Branch1][C][=O][O][O]"}]