You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name benzyl 2-[3-[(1-amino-1-oxo-3-phenylpropan-2-yl)amino]-5-oxo-1,2-dihydropyrrol-2-yl]acetate into its molecular formula.
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C22H23N3O4
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