You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 3-[3-[6-(3-cyanophenoxy)-3,5-difluoro-4-methylpyridin-2-yl]oxyphenyl]propanoic acid using the IUPAC nomenclature.
user
C22H16F2N2O4
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