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-[[1-(3,4-dimethoxyphenyl)cyclohexyl]methyl]-1-ethyl-3-[3-(2-oxopyrrolidin-1-yl)propyl]guanidine;hydroiodide is given. What is its corresponding molecular formula?
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C25H41IN4O3
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