You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named N-[[4-fluoro-2-(3-methyl-2-oxoimidazolidin-1-yl)phenyl]methyl]-5-(hydroxymethyl)-6-oxo-2-(oxolan-3-yl)-1H-pyrimidine-4-carboxamide by IUPAC nomenclature, provide its molecular formula.
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C21H24FN5O5
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