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 methyl (E)-3-[2-[2-oxo-3-[[3-(trifluoromethoxy)phenyl]methyl]imidazolidin-1-yl]phenyl]prop-2-enoate .
user
C21H19F3N2O4
assistant