[{"from": "human", "value": "Please give me some details about this molecule. [C][C][=Branch2][Ring2][S][=C][C][C][=C][C][=Branch1][#Branch2][=C][Branch1][=Branch1][C][=C][Ring1][=Branch1][O][O][O][C][=C][Branch1][Branch1][C][Ring1][O][=O][C][=Branch2][Ring1][C][=C][Branch1][Branch2][C][=Branch1][Ring2][=C][Ring1][Branch2][O][C][C][=C][Branch1][C][C][C][O][C]"}, {"from": "gpt", "value": "The molecule is a member of the class of xanthones that is 9H-xanthen-9-one substituted by hydroxy groups at positions 1, 3, 5 and 7 and two isoprenyl groups at positions 2 and 8 respectively. It is isolated from Cratoxylum Sumatranum and exhibits cytotoxicity towards the KB (human oral epidermoid) cancer cell line. It has a role as a metabolite and an antineoplastic agent. It is a polyphenol and a member of xanthones."}]