[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a member of the class of xanthones that is 9H-xanthen-9-one substituted by hydroxy groups at positions 1, 3 and 7, isoprenyl groups at positions 4 and 5 and a methoxy group at position 6. 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, a member of xanthones and an aromatic ether."}, {"from": "gpt", "value": "[C][C][=Branch2][Ring2][P][=C][C][C][=C][C][=Branch1][#Branch2][=C][Branch1][=Branch1][C][=C][Ring1][=Branch1][O][O][C][=Branch1][C][=O][C][=C][C][=Branch2][Ring1][=Branch1][=C][Branch1][P][C][=Branch1][#Branch1][=C][Ring1][=Branch1][O][Ring1][S][C][C][=C][Branch1][C][C][C][O][C][O][C]"}]