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 N-(4-bromo-2-fluorophenyl)-3-[5-(4-bromophenyl)furan-2-yl]-2-cyanoprop-2-enamide .
user
C20H11Br2FN2O2
assistant