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 11-(4-tert-butylphenyl)-7,21-dimethyl-17-(5,5,8,8-tetramethyl-6,7-dihydronaphthalen-2-yl)-3,25-dioxa-11,17-diaza-1-boraheptacyclo[14.10.1.02,10.04,9.012,27.018,26.019,24]heptacosa-2(10),4(9),5,7,12(27),13,15,18(26),19(24),20,22-undecaene .
user
C48H47BN2O2
assistant