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 (3aR,7aR)-N-(2-methoxyethyl)-5-pyrimidin-2-yl-2,3,4,6,7,7a-hexahydrofuro[3,2-c]pyridine-3a-carboxamide into its molecular formula.
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C15H22N4O3
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