[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][=C][Branch2][=Branch1][C][C][=C][Branch2][Ring2][O][C][=C][Ring1][=Branch1][O][C][=C][Branch1][N][C][Ring1][=Branch1][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][C][Branch1][N][C][=Branch1][C][=O][C][Ring1][#C][Branch1][C][C][C][Branch1][C][C][C][O][C@@H1][Branch1][#Branch1][C][C][Ring2][Ring1][N][=O][C][=C][C][=C][C][=C][Ring1][=Branch1][O]"}, {"from": "gpt", "value": "The molecule is an organic heterotetracyclic compound that is 8,12-dihydro-2H,9H-pyrano[2,3-a]xanthene-4,9,11(3H,10H)-trione substituted by methyl groups at positions 6, 8, 8, 10 and 10 and phenyl groups at positions 2 and 12 respectively (the S-enantiomer). It is isolated from the leaves of Baeckea frutescens and exhibits cytotoxicity against leukemia cells. It has a role as a metabolite and an antineoplastic agent. It is an extended flavonoid, an organic heterotetracyclic compound and a member of phenols."}]