You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by (1R,6R,12S)-8,10-diphenyl-7,9,10-triaza-8-azoniatricyclo[4.3.3.01,6]dodec-8-ene-12-carbonitrile ?
user
C21H22N5+
assistant