You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named N-(4-chloro-2,5-dimethoxyphenyl)-3-(3-cyclopropyl-4-oxoquinazolin-2-yl)propanamide is given. What is its corresponding molecular formula?
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C22H22ClN3O4
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