You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 3-(4-methoxyphenyl)-N'-methyl-N-[4-(2-methyl-6-oxopyridin-1-yl)butyl]pyrrolidine-1-carboximidamide;hydroiodide into molecular formula.
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C23H33IN4O2
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