You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 2,3-dihydro-1,4-benzodioxin-6-yl-[1-[(5-methyl-2-sulfanylidene-1,3,4-thiadiazol-3-yl)methyl]piperidin-4-yl]methanone by IUPAC nomenclature, provide its molecular formula.
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C18H21N3O3S2
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