You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[3-([1]benzofuro[3,2-a]carbazol-12-yl)-5-(4,6-diphenylpyrimidin-2-yl)phenyl]benzonitrile into its molecular formula.
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C47H28N4O
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