[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a natural product found in Abies sachalinensis with data available."}, {"from": "gpt", "value": "[C][C@H1][C][=C][Branch2][Ring1][Ring2][O][C@H1][C@H1][Ring1][=Branch1][C][C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=Branch1][C][=O][O][C][C][C][Branch1][C][C][C]"}]