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system
Name the molecular formula for the molecule established as 5-[4-[2-[(4S)-2-amino-4,5-dihydro-1,3-oxazol-4-yl]ethyl]phenyl]-1-(4-fluorophenyl)imidazolidin-2-one using the IUPAC nomenclature.
user
C20H21FN4O2
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