You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 14-phenyl-12-(3-triphenylen-1-ylphenyl)-14-azatetracyclo[13.4.0.02,7.08,13]nonadeca-1(19),2,4,6,8,10,12,15,17-nonaene into molecular formula.
user
C48H31N
assistant