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