[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a natural product found in Montanoa tomentosa with data available."}, {"from": "gpt", "value": "[C][C][=C][C][=Branch1][C][=O][C][=C][Branch2][Ring2][Branch2][C@H1][Branch2][Ring1][=Branch2][C@@H1][Branch2][Ring1][Ring2][C@@H1][C@@H1][Branch1][#Branch1][C@@][Ring1][O][Ring1][#Branch1][O][O][C][=Branch1][C][=O][C][Ring1][Branch2][=C][O][O][C][=Branch1][C][=O][C][=C][Branch1][C][C][C][C]"}]