You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[4-fluoro-3-(trifluoromethoxy)phenyl]-1-(1-methylimidazol-4-yl)sulfonyl-4-(oxolan-3-yl)pyrrolidin-3-amine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H22F4N4O4S
assistant