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 methyl 1-[N-ethyl-N'-[[3-(pyrazol-1-ylmethyl)phenyl]methyl]carbamimidoyl]-4-methylpyrrolidine-3-carboxylate into its molecular formula.
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C21H29N5O2
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