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-ethoxyphenyl)-2-[[3-(4-methylphenyl)-5-oxo-2H-oxadiazol-3-ium-4-yl]sulfanyl]propanamide using the IUPAC nomenclature.
user
C20H22N3O4S+
assistant