You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 7-[[3,5-difluoro-4-[6-(trifluoromethyl)pyridin-3-yl]oxyphenyl]methoxy]-1,2,2-trimethyl-3H-imidazo[1,2-c]pyrimidin-5-one .
user
C22H19F5N4O3
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