You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 5-chloro-2-[3-[2-[(4-fluorophenyl)methyl]-1,4-oxazepan-4-yl]-2-hydroxypropoxy]benzamide by IUPAC nomenclature, provide its molecular formula.
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C22H26ClFN2O4
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