You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name N-[1-(3-chlorophenyl)ethyl]-2-(5-methyl-7-oxo-1H-pyrazolo[1,5-a]pyrimidin-6-yl)acetamide into its molecular formula.
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C17H17ClN4O2
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