You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named propan-2-yl (5R)-7-methyl-5-(3-methylphenyl)-3-[2-oxo-2-(2-phenoxyethylamino)ethyl]-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate is given. What is its corresponding molecular formula?
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C28H31N3O4S
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