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 3-methoxy-N-[[3-(3-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl]-5,6,7,8-tetrahydronaphthalene-2-sulfonamide using the IUPAC nomenclature.
user
C21H23N3O4S
assistant