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-methyl-3-[(6-methylimidazo[1,2-a]pyridin-2-yl)methoxy]-N-pyrrolidin-3-ylbenzamide by IUPAC nomenclature, provide its molecular formula.
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C21H24N4O2
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