You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name 1-[1-(3-chlorophenyl)pyrrolidin-3-yl]-3-ethyl-2-[3-(1-methylpyrazol-4-yl)propyl]guanidine;hydroiodide into its molecular formula.
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C20H30ClIN6
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