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-oxo-2-phenylquinazolin-3-yl)-N-[(2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]acetamide by IUPAC nomenclature, provide its molecular formula.
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C22H23N3O7
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