You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as (5R)-3-[2-(dimethylamino)ethyl]-5-[1-[2-(2-methoxyphenoxy)acetyl]piperidin-4-yl]-5-(3-methylbutyl)imidazolidine-2,4-dione using the IUPAC nomenclature.
user
C26H40N4O5
assistant