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 1-[4-(4-imidazo[1,2-a]pyridin-7-yloxy-3-methylanilino)quinazolin-6-yl]pyrrolidin-2-one is given. What is its corresponding molecular formula?
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C26H22N6O2
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