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system
Name the molecular formula for the molecule established as [(2S)-1-[[(3S)-1,1-dioxothiolan-3-yl]-ethylamino]-1-oxopropan-2-yl] 5-methyl-2-phenyl-1,3-oxazole-4-carboxylate using the IUPAC nomenclature.
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C20H24N2O6S
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