You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 5-[(S)-(4-ethylpiperazin-1-yl)-(5-methylfuran-2-yl)methyl]-2-methyl-[1,3]thiazolo[3,2-b][1,2,4]triazol-6-ol by IUPAC nomenclature, provide its molecular formula.
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C17H23N5O2S
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