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