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 2-dibenzofuran-4-yl-9-[4-(21-pentacyclo[12.8.0.02,7.08,13.015,20]docosa-1(14),2,4,6,8,10,12,15,17,19,21-undecaenyl)phenyl]-1,10-phenanthroline .
user
C52H30N2O
assistant