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Under IUPAC nomenclature, a molecule named 5-(acetamidomethyl)-N-[(2-bromo-5-chlorophenyl)methyl]-N-(2-methylpropyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-3-carboxamide is given. What is its corresponding molecular formula?
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C22H28BrClN4O2
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