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 2-[3-(4,5-dihydro-1,3-oxazol-2-yl)pyridin-2-yl]-4-methyl-4-propan-2-yl-1H-imidazol-5-one into molecular formula.
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C15H18N4O2
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