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system
Name the molecular formula for the molecule established as N-[4-(cyclopropylamino)-3,4-dioxo-1-(2-oxopyrrolidin-3-yl)butan-2-yl]-2-[(2-hydroxy-2,2-diphenylacetyl)amino]-4-methylpentanamide using the IUPAC nomenclature.
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C31H38N4O6
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