You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named N-[2-[(2-chloroacetyl)amino]-1-naphthalen-2-ylethyl]-5-methyl-4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-3-carboxamide by IUPAC nomenclature, provide its molecular formula.
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C23H25ClN4O2
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