You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[[(5Z)-5-[[3-bromo-4-[(3,4-dichlorophenyl)methoxy]-5-methoxyphenyl]methylidene]-3-methyl-4-oxo-1,3-thiazolidin-2-ylidene]amino]benzoic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C26H19BrCl2N2O5S
assistant