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 2-methyl-1-[2-(3-methylpyridin-4-yl)ethyl]-3-[(1-phenylcyclopentyl)methyl]guanidine;hydroiodide is given. What is its corresponding molecular formula?
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C22H31IN4
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