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