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 (5R)-4-[hydroxy(phenyl)methylidene]-1-(2-morpholin-4-ium-4-ylethyl)-5-pyridin-3-ylpyrrolidine-2,3-dione .
user
C22H24N3O4+
assistant