You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(5Z)-5-[[3-bromo-4-[2-nitro-4-(trifluoromethyl)phenoxy]phenyl]methylidene]-3-(3-fluorophenyl)-2-sulfanylidene-1,3-thiazolidin-4-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H11BrF4N2O4S2
assistant