[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a natural product found in Juniperus with data available."}, {"from": "gpt", "value": "[C][C][/C][=Branch2][Ring2][Branch2][=C][\\C][C][C][=Branch1][C][=C][C][C][C][C@][Ring1][#Branch1][Branch2][Ring1][#Branch1][C][C][C][C@][Ring1][=Branch1][Branch1][C][C][C][=Branch1][C][=O][O][Si][Branch1][C][C][Branch1][C][C][C][C][/C]"}]