You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 5,11-ditert-butyl-8-(5,6-dihydro-4H-phenalen-1-yl)-19,19-dimethyl-14-phenyl-8,14-diaza-1-borahexacyclo[11.10.1.02,7.09,24.015,23.017,21]tetracosa-2(7),3,5,9,11,13(24),15,17(21),22-nonaene by IUPAC nomenclature, provide its molecular formula.
user
C50H51BN2
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