You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-(4-bromo-2-fluorophenyl)-4-(4,4,6-trimethyl-2-sulfanylidene-1,3-diazinan-1-yl)butanamide into molecular formula.
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C17H23BrFN3OS
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