You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-phenyl-11-[3-phenyl-5-[4-phenyl-6-(4-propan-2-ylphenyl)-1,3,5-triazin-2-yl]phenyl]-7,8,9,10-tetrahydroindolo[3,2-b]carbazole The above is the IUPAC name of a molecule. Write its molecular formula.
user
C54H43N5
assistant