You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
10-phenyl-14-(3-phenylphenyl)-5,10,12,14-tetrazapentacyclo[11.7.0.03,11.04,9.015,20]icosa-1,3(11),4(9),5,7,12,15,17,19-nonaene is the IUPAC name of a molecule. Please give its molecular formula.
user
C34H22N4
assistant