You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl 2-[2-bromo-4-[(Z)-[3-[2-(2-fluoroanilino)-2-oxoethyl]-2,4-dioxo-1,3-thiazolidin-5-ylidene]methyl]phenoxy]acetate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H18BrFN2O6S
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