You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 15-tert-butyl-12,18,22,35-tetraphenyl-31-oxa-12,18,22,35-tetraza-1,5-diboraundecacyclo[21.18.1.15,13.02,21.04,19.06,11.024,32.025,30.034,42.036,41.017,43]tritetraconta-2(21),3,6,8,10,13(43),14,16,19,23(42),24(32),25,27,29,33,36,38,40-octadecaene .
user
C64H46B2N4O
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