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 3-[(3Z)-4-[2-methyl-1-[4-(4-naphthalen-2-yl-6-phenylpyrimidin-2-yl)phenyl]indol-3-yl]buta-1,3-dien-2-yl]-9-phenylcarbazole .
user
C57H40N4
assistant