You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 24-(4a,9a-dimethyl-1,2,3,4-tetrahydrocarbazol-9-yl)-11,17-ditert-butyl-21-(4-tert-butyl-2-phenylphenyl)-3,8-dimethyl-2,21-diaza-14-boraheptacyclo[12.11.1.12,9.03,8.015,20.022,26.013,27]heptacosa-1(25),9(27),10,12,15(20),16,18,22(26),23-nonaene into its molecular formula.
user
C64H74BN3
assistant