You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2,2-difluoro-2-[3-[[5-methyl-3-[3-[4-(trifluoromethylsulfonyl)phenyl]-1,2,4-oxadiazol-5-yl]pyrazol-1-yl]methyl]phenyl]ethanol is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H17F5N4O4S
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