You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule N-[2-methoxy-1-(2-methylpyrazol-3-yl)ethyl]-4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-3-carboxamide into molecular formula.
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C15H21N5O2
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