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-[5-chloro-2-[(7S)-5-[2-[ethyl(methyl)amino]-2-oxoethyl]-7-methyl-4-oxo-6,7-dihydropyrazolo[1,5-a]pyrazin-2-yl]phenyl]cyclopropanecarboxamide is given. What is its corresponding molecular formula?
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C22H26ClN5O3
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