You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 4-[3-[(3,5-difluoropyridin-2-yl)amino]propyl]-6-[3-(trifluoromethyl)phenyl]pyrimidine-2-carbonitrile into its molecular formula.
user
C20H14F5N5
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