You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
9-[4-[1-(4-carbazol-9-ylphenyl)-2-propyl-1-[3-(trifluoromethyl)phenyl]pentyl]phenyl]carbazole The above is the IUPAC name of a molecule. Write its molecular formula.
user
C51H43F3N2
assistant