You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 2-[[(2S)-2-(2,3-dihydro-1,4-benzodioxin-6-yl)pyrrolidin-1-yl]methyl]-8-methyl-3H-quinazolin-4-one by IUPAC nomenclature, provide its molecular formula.
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C22H23N3O3
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