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system
Name the molecular formula for the molecule established as 1-[[5-(1,3-benzothiazol-2-yl)furan-2-yl]methyl]-3-[2-(4,5-dimethyl-1,3-thiazol-2-yl)ethyl]-2-methylguanidine;hydroiodide using the IUPAC nomenclature.
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C21H24IN5OS2
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