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