You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 9-[4-[4-[4-[2-(2-isocyanophenyl)-6-phenylpyrimidin-4-yl]phenyl]phenyl]phenyl]-N,N-diphenylcarbazol-3-amine .
user
C59H39N5
assistant