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 5-[4-[3-(9,9-dimethylfluoren-3-yl)-5-(4,6-diphenyl-1,3,5-triazin-2-yl)phenyl]naphthalen-1-yl]benzo[c][2,7]naphthyridine .
user
C58H39N5
assistant