You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
10-bromo-14-(9,9-dimethylfluoren-2-yl)-14-azatetracyclo[13.4.0.02,7.08,13]nonadeca-1(19),2,4,6,8(13),9,11,15,17-nonaene The above is the IUPAC name of a molecule. Write its molecular formula.
user
C33H24BrN
assistant