You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance N-[2-[1-(2-amino-4-methylpentanoyl)-6-oxo-3,3a,5,6a-tetrahydro-2H-pyrrolo[3,2-b]pyrrol-4-yl]-2-oxoethyl]-N-methylacetamide .
user
C17H28N4O4
assistant