You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 9-[3-(4,6-diphenyl-1,3,5-triazin-2-yl)phenyl]-5-[9-[(3E,5Z)-hepta-1,3,5-trien-3-yl]carbazol-3-yl]-13-phenyl-1,9,11,13-tetrazapentacyclo[10.7.0.02,10.03,8.014,19]nonadeca-2(10),3(8),4,6,11,14,16,18-octaene using the IUPAC nomenclature.
user
C61H42N8
assistant