[{"from": "human", "value": "Provide a description of this molecule. [C][C][=Branch2][=Branch1][Branch1][=C][C][C][=C][C][=Branch2][Ring2][S][=C][C][=Branch1][Branch1][=C][Ring1][=Branch1][O][C][=Branch1][C][=O][C][=Branch2][Ring1][#C][=C][Branch1][Ring2][O][Ring1][=Branch2][C][=C][C][=Branch2][Ring1][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=C][C][O][O][O][C][C][C][Branch1][Branch1][O][Ring2][Ring1][=N][Branch1][C][C][C][C]"}, {"from": "gpt", "value": "The molecule is an extended flavonoid that is flavonol with additional hydroxy groups at position 5 and 3', a 2,2-dimethyldihydropyrano ring fused to ring A across positions 7 and 8, a prenyl group at position 6 and a (2S)-2-hydroxy-3-methylbut-3-en-1-yl group at position 4'. Isolated from the roots of Dorstenia psilurus, it exhibits alpha-glucosidase inhibitory activity. It has a role as a metabolite and an EC 3.2.1.20 (alpha-glucosidase) inhibitor. It is a member of flavonols, an extended flavonoid, a trihydroxyflavone and a pyranochromane."}]