You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-(5-methyl-2-thiophen-2-yl-1,3-oxazol-4-yl)-N-[3-(2-oxo-2-pyrrolidin-1-ylethoxy)phenyl]acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H23N3O4S
assistant