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