[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a natural product found in Nicotiana tabacum with data available."}, {"from": "gpt", "value": "[C][O][C][=C][C][=Branch1][#C][=C][C][=Branch1][Branch1][=C][Ring1][=Branch1][N][C][=C][C][=N][Ring1][Branch2][O][C]"}]