[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a natural product found in Piper retrofractum, Piper nigrum, and Piper longum with data available."}, {"from": "gpt", "value": "[C][C][C][N][Branch1][Branch1][C][C][Ring1][=Branch1][C][=Branch1][C][=O][/C][=C][/C][=C][/C][C][/C][=C][/C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][O][Ring1][#Branch1]"}]