[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a natural product found in Phegopteris connectilis with data available."}, {"from": "gpt", "value": "[C][C][C][C][=Branch1][C][=O][C@@H1][C][=Branch1][C][=O][C][C][=Branch1][C][=O][C][Branch1][Branch1][C][Ring1][Branch2][=O][Branch1][C][C][C]"}]