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 [3-[2-(3-cyclopropyl-1,2,4-oxadiazol-5-yl)phenoxy]pyrrolidin-1-yl]-thiophen-3-ylmethanone .
user
C20H19N3O3S
assistant