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system
Name the molecular formula for the molecule established as N-[3-[(1R)-1-(carbamoylamino)-2,2-difluoro-1-(1-hydroxypropan-2-yloxy)ethyl]-4,5-difluorophenyl]-5-chloropyridine-2-carboxamide using the IUPAC nomenclature.
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C18H17ClF4N4O4
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