You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (2S)-1-[4-(dimethoxymethyl)benzoyl]-N-[(2S)-1-hydrazinyl-3-methyl-1-oxobutan-2-yl]pyrrolidine-2-carboxamide into molecular formula.
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C20H30N4O5
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