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 2-[(4S)-2',5'-dioxospiro[2,3-dihydro-1H-naphthalene-4,4'-imidazolidine]-1'-yl]-N-[2-(4-methoxyphenyl)ethyl]acetamide .
user
C23H25N3O4
assistant