You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named N-[2-(6-fluoro-4H-1,3-benzodioxin-8-yl)ethyl]-5-methylsulfanyl-2-nitrobenzamide is given. What is its corresponding molecular formula?
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C18H17FN2O5S
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