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 1-[[3-[(dimethylamino)methyl]phenyl]methyl]-2-methyl-3-(4-methyl-1-propan-2-ylpyrrolidin-3-yl)guanidine is given. What is its corresponding molecular formula?
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C20H35N5
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