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 (2S)-4-amino-4-oxo-2-[[1-oxo-1-(propylamino)propan-2-yl]carbamoylamino]butanoic acid using the IUPAC nomenclature.
user
C11H20N4O5
assistant