You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 1-ethyl-3-[2-(methanesulfonamido)ethyl]-2-[2-(3-methylcyclohexyl)ethyl]guanidine;hydroiodide is given. What is its corresponding molecular formula?
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C15H33IN4O2S
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