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What is the molecular formula of the compound with this IUPAC name 14-N,31-N-bis(9,9-dimethylfluoren-4-yl)-17,17,34,34-tetramethyl-14-N,31-N-diphenyl-12,29-dioxa-17,34-disilanonacyclo[18.14.0.03,18.04,16.05,13.06,11.021,33.022,30.023,28]tetratriaconta-1(20),2,4(16),5(13),6,8,10,14,18,21(33),22(30),23,25,27,31-pentadecaene-14,31-diamine ?
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C76H60N2O2Si2
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