You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 1-[3-(difluoromethoxy)phenyl]-3-[4-(6-imidazol-1-yl-2-methylpyrimidin-4-yl)oxyphenyl]urea into its molecular formula.
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C22H18F2N6O3
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