[{"from": "human", "value": "Describe this molecule. [C][C][C][C][C][C][=Branch1][C][=O][C][Branch1][S][C][C][C][=Branch1][C][=O][N][Ring1][=Branch1][C][C][Branch1][C][C][C][O]"}, {"from": "gpt", "value": "The molecule is a natural product found in Piper nigrum with data available."}]