You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3R)-N-[(1R)-1-(1H-benzimidazol-2-yl)-2-methylpropyl]-1-(6-bromo-1H-indazol-3-yl)-5-oxopyrrolidine-3-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H23BrN6O2
assistant