[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][=Branch2][Branch1][N][=C][C][C@@][C][=C][Branch1][#Branch2][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][O][C@@][Ring1][#Branch2][Branch2][Ring2][Ring2][C][=Branch1][C][=O][C][=C][Branch1][Ring2][O][Ring1][#C][C][=C][C][=Branch1][Branch1][=C][Ring1][#Branch1][O][C][C@H1][Branch1][O][C][Branch1][Ring2][O][Ring1][Branch2][Branch1][C][C][C][O][O][C]"}, {"from": "gpt", "value": "The molecule is an extended flavonoid that is 3,4,6a,11b-tetrahydro-2H,6H-[1]benzofuro[3,2-b]pyrano[3,2-g]chromene substituted by hydroxy groups at positions 3, 5, 6a and 9, geminal methyl groups at positions 2, an oxo group at position 6 and a prenyl group at position 11b. It has been isolated from the twigs of Morus nigra. It has a role as a plant metabolite. It is an extended flavonoid, an organic heteropentacyclic compound and a polyphenol."}]