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Name the molecular formula for the molecule established as 2-[(1,1-dioxothiolan-3-yl)methyl]-1-(9-methyl-9-azabicyclo[3.3.1]nonan-3-yl)-3-propan-2-ylguanidine;hydroiodide using the IUPAC nomenclature.
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C18H35IN4O2S
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