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 N,N-diethyl-4-[[[N-[(2-methoxyphenyl)methyl]-N'-methylcarbamimidoyl]amino]methyl]benzamide;hydroiodide is given. What is its corresponding molecular formula?
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C22H31IN4O2
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