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system
Name the molecular formula for the molecule established as N-[4-[5-ethyl-3-(4-fluorophenyl)-4-oxospiro[1,7-dihydropyrrolo[3,2-c]pyridine-6,1'-cyclopropane]-2-yl]pyridin-2-yl]-4,4-difluoro-2-(4-fluorophenyl)butanamide using the IUPAC nomenclature.
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C32H28F4N4O2
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