You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 4-[4-[3-(2,6-dipyridin-3-ylpyridin-4-yl)phenyl]phenyl]-1,2-diphenylimidazo[4,5-i]phenanthridine into molecular formula.
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C53H34N6
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