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 N-[4-[5-(2-phenoxyethylsulfanylmethyl)-1,3,4-oxadiazol-2-yl]phenyl]propane-1-sulfonamide using the IUPAC nomenclature.
user
C20H23N3O4S2
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