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-[5-chloro-2-[1-[2-(2-fluoro-3-methylphenyl)propylamino]-2,2-dimethylpropyl]phenyl]formamide by IUPAC nomenclature, provide its molecular formula.
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C22H28ClFN2O
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