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 2-[1-(2-fluorophenyl)-5-(2-methoxyethylamino)-3-oxo-2H-pyrrol-4-yl]-7-methoxy-3H-quinazolin-4-one is given. What is its corresponding molecular formula?
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C22H21FN4O4
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