You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[[(5Z)-5-[[4-[(4-bromophenyl)methoxy]-3-chlorophenyl]methylidene]-3-ethyl-4-oxo-1,3-thiazolidin-2-ylidene]amino]benzoic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H20BrClN2O4S
assistant