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 3,4-dichloro-N-[1-[3-(2-methoxyethyl)-4-oxoquinazolin-2-yl]ethyl]-N-propylbenzamide is given. What is its corresponding molecular formula?
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C23H25Cl2N3O3
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