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 [6-[3-(dimethylamino)propylamino]-2-methylpyrimidin-4-yl]-(1,4-dioxa-8-azaspiro[4.5]decan-8-yl)methanone into molecular formula.
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C18H29N5O3
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