You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(4Z)-5-(4-ethoxyphenyl)-4-[hydroxy(naphthalen-2-yl)methylidene]-1-(2-methoxyethyl)pyrrolidine-2,3-dione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H25NO5
assistant