[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][=Branch2][Ring2][S][=C][C][C][=C][Branch2][Ring2][Branch2][C][=C][Branch1][=Branch1][C][=C][Ring1][=Branch1][O][O][C][=C][Branch1][Branch1][C][Ring1][=Branch2][=O][C][=Branch1][N][=C][Branch1][Branch2][C][=Branch1][Ring2][=C][Ring1][Branch2][O][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-xanthene substituted by hydroxy group at positions 1, 3, 6 and 7, an oxo group at position 9 and prenyl groups at positions 2 and 8. Isolated from the stems of Cratoxylum cochinchinense, it exhibits antitumour activity. It has a role as an antineoplastic agent, a protein kinase inhibitor and a plant metabolite. It is a member of xanthones and a member of phenols."}]