You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [3-[4-[2-(5,5-diphenylbenzo[b][1]benzosilol-3-yl)carbazol-9-yl]carbazol-9-yl]phenyl]-triphenylsilane into molecular formula.
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C72H50N2Si2
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