You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl (2S)-2-[4-(4-bromophenyl)-3H-pyrrol-2-yl]pyrrolidine-1-carboxylate;tert-butyl (2S)-2-[4-[4-[2-[2-[(2S)-1-[(2-methylpropan-2-yl)oxycarbonyl]pyrrolidin-2-yl]-3H-benzimidazol-5-yl]ethynyl]phenyl]-3H-pyrrol-2-yl]pyrrolidine-1-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C56H66BrN7O6
assistant