Using Cn1c(=O)c2[nH]c(C(=O)O)nc2n(C)c1=O, CC(C)N1CCC(N)CC1 to produce CC(C)N1CCC(NC(=O)c2nc3c([nH]2)c(=O)n(C)c(=O)n3C)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.