[{"from": "human", "value": "Could you provide a description of this molecule? [C][O][C][=Branch1][C][=O][C@@][Branch2][Ring1][=C][C@@H1][Branch2][Ring1][=Branch2][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][C][=C][Branch1][#Branch2][C][=C][C][=C][Ring1][=Branch1][O][Ring1][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is a member of the class of xanthones that is methyl 9-oxo-2,9-dihydro-1H-xanthene-1-carboxylate substituted by hydroxy groups at positions 1, 2 and 8 (the 1R,2R stereoisomer). Isolated from Chaetomium globosum, it exhibits cytotoxicity towards human tumour cell lines. It has a role as an antineoplastic agent and a Chaetomium metabolite. It is a member of xanthones, a member of phenols and a methyl ester."}]