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 3-[9-(4,6-diphenyl-1,3,5-triazin-2-yl)-6-phenylcarbazol-3-yl]-9-[(2E)-penta-2,4-dien-2-yl]-6-phenylcarbazole .
user
C56H39N5
assistant