[{"from": "human", "value": "Please give me some details about this molecule. [C][C][=Branch2][Branch1][C][=C][C][C][=C][C][=Branch2][Ring1][=N][=C][Branch2][Ring1][Branch2][C][=C][Ring1][=Branch1][O][C][=C][C][=Branch1][=N][=C][Branch1][=Branch2][C][=C][Ring1][=Branch1][C][Ring1][#Branch2][=O][O][O][O][C][=C][C][Branch1][Branch1][O][Ring2][Ring1][Branch1][Branch1][C][C][C][C]"}, {"from": "gpt", "value": "The molecule is a member of the class of pyranoxanthones that is 2H,6H-pyrano[3,2-b]xanthen-6-one substituted by hydroxy groups at positions 5, 8 and 9, geminal methyl groups at position 2 and a prenyl group at position 12. Isolated from Garcinia lancilimba, it exhibits inhibitory effects on human cancer cell line. It has a role as a metabolite and an antineoplastic agent. It is a polyphenol and a member of pyranoxanthones."}]