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 [4-(4-methyl-1,2,4-triazol-3-yl)-2-azaspiro[4.4]nonan-2-yl]-(1,3-oxazol-5-yl)methanone into molecular formula.
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C15H19N5O2
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