You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5,9-diazatetracyclo[7.6.1.02,8.012,16]hexadeca-1(15),2(8),12(16),13-tetraene;hydrochloride is the IUPAC name of a molecule. Please give its molecular formula.
user
C14H17ClN2
assistant