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 ethyl 4-[2-(2',5'-dioxospiro[1,2-dihydroindene-3,4'-imidazolidine]-1'-yl)acetyl]-3,5-dimethyl-1H-pyrrole-2-carboxylate into its molecular formula.
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C22H23N3O5
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