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system
Name the molecular formula for the molecule established as 2-[2-[dihydroxy(pyridin-4-yl)methyl]-1-benzofuran-5-yl]-1-(5-phenyl-3,5-dihydro-2H-1,4-benzoxazepin-4-yl)ethanone using the IUPAC nomenclature.
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C31H26N2O5
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