You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 12-[3-(4,6-diphenyl-1,3,5-triazin-2-yl)phenyl]-5-(9-phenylcarbazol-3-yl)-[1]benzofuro[2,3-a]carbazole into molecular formula.
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C57H35N5O
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