You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (E)-N-(6-bromo-3,4-dihydro-2H-chromen-4-yl)-3-[4-(diethylsulfamoyl)phenyl]prop-2-enamide into its molecular formula.
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C22H25BrN2O4S
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