You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 2-[[2-bromo-4-[(3-ethyl-4-oxo-2-sulfanylidene-1,3-thiazolidin-5-ylidene)methyl]phenoxy]methyl]benzonitrile using the IUPAC nomenclature.
user
C20H15BrN2O2S2
assistant