You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(1R)-1-[3-[4-[(4-methylphenyl)sulfonylamino]phenyl]-1,2,4-oxadiazol-5-yl]ethyl]furan-2-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H20N4O5S
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