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-[3-[3-[3-(4-methylphenyl)phenyl]-2-oxoimidazo[4,5-c]pyridin-1-yl]phenyl]prop-2-enamide is given. What is its corresponding molecular formula?
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C28H22N4O2
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