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-[2-(6-fluoro-4H-1,3-benzodioxin-8-yl)ethyl]-4-methyl-3-(trifluoromethyl)benzenesulfonamide into molecular formula.
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C18H17F4NO4S
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