[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a natural product found in Bufo gargarizans with data available."}, {"from": "gpt", "value": "[C][C@][C][C][C@@H1][Branch2][Ring2][#Branch2][C][C@H1][Ring1][=Branch1][C][C][C@@H1][C@@H1][Ring1][#Branch2][C][C][C@][Branch2][Ring1][=Branch2][C@][Ring1][=Branch1][C@H1][Branch1][Ring2][O][Ring1][Ring1][C][C@@H1][Ring1][=Branch1][C][=C][O][C][=Branch1][C][=O][C][=C][Ring1][#Branch1][C][O][C][=O]"}]