You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name [4-(2-bromophenyl)-1-[(2-methylpropan-2-yl)oxycarbonyl]piperidine-4-carbonyl]imino-iminoazanium ?
user
C17H22BrN4O3+
assistant