[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a natural product found in Alnus firma, Alnus pendula, and other organisms with data available."}, {"from": "gpt", "value": "[C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][C][O][C][=Branch1][C][=O][/C][=C][/C][=C][C][=C][C][=C][Ring1][=Branch1]"}]