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 (2R)-N-benzyl-1-[6-(2-hydroxyethyl)-7-oxo-5-(trifluoromethyl)-2,5-dihydro-[1,3]thiazolo[5,4-d]pyrimidin-2-yl]pyrrolidine-2-carboxamide is given. What is its corresponding molecular formula?
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C20H22F3N5O3S
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