You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 4-[2-(2-azaspiro[3.3]heptan-6-yl)ethoxy]-N-(2,6-dioxopiperidin-3-yl)-N-formyl-2-methylbenzamide into molecular formula.
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C22H27N3O5
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