You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named [2-(hydroxymethyl)azepan-1-yl]-(7-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)methanone is given. What is its corresponding molecular formula?
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C14H19N5O2
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