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 2-(3-bromo-1-azatricyclo[6.3.1.04,12]dodeca-2,4,6,8(12)-tetraen-6-yl)-N-methylbutan-1-amine .
user
C16H21BrN2
assistant