You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named (5S)-5-[3-(4-chloroanilino)-4-oxo-5H-pyrazolo[4,3-c]pyridin-1-yl]-5-(cyanomethyl)-N,N-dimethyloxane-2-carboxamide by IUPAC nomenclature, provide its molecular formula.
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C22H23ClN6O3
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