You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 1-[4-chloro-1-(1,3-dimethoxypropan-2-yl)imidazol-2-yl]-3,5-dimethylpyridin-4-one into its molecular formula.
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C15H20ClN3O3
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