You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl (E)-2-cyano-3-[2-[[4-(2-oxopyrrolidin-1-yl)phenyl]sulfonylamino]anilino]prop-2-enoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H22N4O5S
assistant