[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a natural product found in Nauclea officinalis with data available."}, {"from": "gpt", "value": "[C][C][C][=Branch2][Ring2][Ring1][=C][C][=Branch1][Branch1][=C][O][Ring1][=Branch1][C][=C][C][=C][Branch1][#Branch2][C][C][N][Ring1][=Branch1][C][Ring1][N][=O][C][=C][C][=C][C][=C][Ring1][=Branch1][N][Ring1][=C][C][=O]"}]