You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named tert-butyl 4-[3-[[2-(2-chlorophenyl)-2-oxoethyl]carbamoyl]-5-oxo-4H-pyrazolo[1,5-a]pyrimidin-7-yl]piperidine-1-carboxylate by IUPAC nomenclature, provide its molecular formula.
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C25H28ClN5O5
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