You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 2-(2-methylphenoxy)-N-[5-(3-propan-2-ylsulfonylphenyl)-1,3,4-oxadiazol-2-yl]acetamide .
user
C20H21N3O5S
assistant