11-[4,6-bis(3,5-diphenylphenyl)pyrimidin-2-yl]-5,17-dicyclohexyl-8,14-bis(3,5-ditert-butylphenyl)-8,14-diaza-1-borapentacyclo[11.7.1.02,7.09,21.015,20]henicosa-2(7),3,5,9,11,13(21),15(20),16,18-nonaene is the IUPAC name of a molecule. Please give its molecular formula.