You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-(4-phenylphenyl)-5,14,16-triazatetracyclo[7.7.0.02,6.010,15]hexadeca-1(9),2(6),3,7,10(15),11,13-heptaene The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H17N3
assistant