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-[(3S,4R)-4-(2-amino-2-oxoethoxy)oxan-3-yl]-[1,2,4]triazolo[1,5-a]pyrimidine-2-carboxamide into molecular formula.
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C13H16N6O4
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