[{"from": "human", "value": "Please give me some details about this molecule. [C][O][C][=C][C][=Branch1][=Branch2][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][=Branch1][C][=O][C][=C][Branch1][Ring2][O][Ring1][O][C][=C][Branch1][Branch1][C][=C][Ring1][#Branch1][O]"}, {"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 and 6 and a methoxy group at position 4. 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 member of xanthones, a polyphenol and an aromatic ether."}]