You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-(2',5'-dioxospiro[2,4-dihydro-1H-naphthalene-3,4'-imidazolidine]-1'-yl)-N-[2-(2-methylphenyl)ethyl]acetamide into its molecular formula.
user
C23H25N3O3
assistant