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 9-[(2-cyclohexylpyrimidin-5-yl)methyl]-3-methyl-1-oxa-3,9-diazaspiro[4.5]decan-2-one into its molecular formula.
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C19H28N4O2
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