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system
Name the molecular formula for the molecule established as benzyl (2S,5R)-5-(3,4-diethoxyphenyl)-2-ethyl-7-methyl-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate using the IUPAC nomenclature.
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C27H30N2O5S
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