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 (2R,3S,5R)-5-[[6-chloro-5-[4-(1H-pyrazol-4-yl)phenyl]-1H-imidazo[4,5-b]pyridin-2-yl]oxy]-2-(2-hydroxyethyl)oxan-3-ol is given. What is its corresponding molecular formula?
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C22H22ClN5O4
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