[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a natural product found in Piper methysticum, Piper peltatum, and other organisms with data available."}, {"from": "gpt", "value": "[C][O][C][=C][C][=Branch1][C][=O][O][C@@H1][Branch1][Ring2][C][Ring1][#Branch1][/C][=C][/C][=C][C][=C][C][=C][Ring1][=Branch1]"}]