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