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What is the molecular formula of the compound with this IUPAC name benzylbenzene;3',7'-dibromo-3,7-ditert-butylspiro[benzo[b][1,4]benzoxasiline-10,5'-benzo[b][1]benzosilole];3,7-ditert-butyl-3-N',3-N',7-N',7-N'-tetraphenylspiro[benzo[b][1,4]benzoxasiline-10,5'-benzo[b][1]benzosilole]-3',7'-diamine ?
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C101H92Br2N2O2Si2
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