You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 1-[[3-methyl-5-(trifluoromethyl)phenyl]methyl]-3,5,7-triaza-1-azoniatricyclo[3.3.1.13,7]decane .
user
C15H20F3N4+
assistant