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