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