You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
15,15,21,21-tetramethyl-N,N-diphenyl-4-aza-1-boraoctacyclo[14.11.1.02,14.03,11.04,26.05,10.020,28.022,27]octacosa-2(14),3(11),5,7,9,12,16(28),17,19,22,24,26-dodecaen-23-amine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C42H33BN2
assistant