[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a natural product found in Ligularia duciformis with data available."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=C][C][C][=Branch1][C][=O][C][C][=Branch2][Ring1][Branch2][=C][C][O][C][=C][Branch1][#C][C][=C][Branch1][#Branch1][C][=C][Ring1][=Branch1][O][C][C][=C][C][O][O][C][C]"}]