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system
For the molecule named 2-[2-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-methylpropyl]-1-ethyl-3-[3-(2-oxopyrrolidin-1-yl)propyl]guanidine;hydroiodide by IUPAC nomenclature, provide its molecular formula.
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C22H35IN4O3
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