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 4-[[3-[[2-(4-carbamimidoyl-2-oxopiperazin-1-yl)acetyl]amino]benzoyl]amino]butanoic acid using the IUPAC nomenclature.
user
C18H24N6O5
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