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 [4-(cyclopropylamino)-5,6,8,9-tetrahydropyrimido[4,5-d]azepin-7-yl]-[(3R)-oxolan-3-yl]methanone into its molecular formula.
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C16H22N4O2
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