[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a natural product found in Empetrum nigrum with data available."}, {"from": "gpt", "value": "[C][O][C][=C][Branch2][Ring1][=Branch1][C][=C][C][C][C][=C][C][=C][C][=C][Ring1][=Branch1][O][C][Ring1][O][=C][Ring1][#C][O][C][O]"}]