[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a natural product found in Polytrichum commune with data available."}, {"from": "gpt", "value": "[C][O][C][=C][C][=Branch2][Ring1][=Branch2][=C][C][=Branch1][C][=O][C][C@H1][Branch1][Branch2][O][C][Ring1][#Branch1][=C][Ring1][O][C][=C][C][=C][C][=C][Ring1][=Branch1][/C][=C][/C][=C][C][=C][C][=C][Ring1][=Branch1]"}]