You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named N-[3-[[1-[[2-[methyl(methylsulfonyl)amino]pyridin-3-yl]methyl]pyrazolo[4,3-c]pyridin-6-yl]amino]phenyl]acetamide is given. What is its corresponding molecular formula?
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C22H23N7O3S
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