You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule [(2S,11S)-2-[5-(4-bromo-2-fluorophenyl)-1H-imidazol-2-yl]-12-oxo-1-azatricyclo[6.4.1.04,13]trideca-4,6,8(13)-trien-11-yl]carbamic acid .
user
C22H18BrFN4O3
assistant