You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (4E,5S)-5-(4-bromophenyl)-4-[hydroxy-(4-methoxyphenyl)methylidene]-1-(pyridin-3-ylmethyl)pyrrolidine-2,3-dione by IUPAC nomenclature, provide its molecular formula.
user
C24H19BrN2O4
assistant