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-(4-methoxyphenyl)-2-[1-[4-(trifluoromethoxy)phenyl]tetrazol-5-yl]sulfanylpropanamide is given. What is its corresponding molecular formula?
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C18H16F3N5O3S
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