You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (4E)-5-(4-bromophenyl)-4-[hydroxy-(2-nitrophenyl)methylidene]-1-(3-imidazol-1-ylpropyl)pyrrolidine-2,3-dione into molecular formula.
user
C23H19BrN4O5
assistant