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 2-(4-amino-N-ethylanilino)ethyl 3-(2-aminoethylamino)propanoate;2-chloro-4-nitroaniline using the IUPAC nomenclature.
user
C21H31ClN6O4
assistant