You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule N-tert-butyl-4-[[1-[3-(cyanomethyl)oxan-3-yl]-4-oxo-5H-pyrazolo[4,3-c]pyridin-3-yl]amino]benzenesulfonamide into molecular formula.
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C23H28N6O4S
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