You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
13-benzyl-10-thia-3,5,6,8-tetraza-13-azoniatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H16N5S+
assistant