[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][C][C][=Branch1][C][=O][C@H1][C][C@][Branch2][Ring1][C][C@@][Ring1][Ring2][Branch1][N][C@@][Ring1][=Branch2][C][C][C@@H1][Ring1][=Branch1][C][Ring1][Branch1][C][C]"}, {"from": "gpt", "value": "The molecule is a natural product found in Nicotiana tabacum with data available."}]