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Under IUPAC nomenclature, a molecule named 1-ethyl-3-[2-(5-ethyl-1,3-thiazol-2-yl)ethyl]-2-[2-(furan-2-yl)-2-piperidin-1-ylethyl]guanidine;hydroiodide is given. What is its corresponding molecular formula?
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C21H34IN5OS
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