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 (2R)-2-[3-(3,4-diethoxyphenyl)propanoyl-[(3-methoxyphenyl)methyl]amino]-N-propylbutanamide using the IUPAC nomenclature.
user
C28H40N2O5
assistant