You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-[2-[(Z)-[3-(1,3-benzothiazol-2-ylamino)-4-oxo-2-sulfanylidene-1,3-thiazolidin-5-ylidene]methyl]-4-bromophenoxy]-N-(4-chlorophenyl)acetamide by IUPAC nomenclature, provide its molecular formula.
user
C25H16BrClN4O3S3
assistant