Using Nc1c(Cl)cc(C(=O)O)c2nccn12, COCCCN1CCC(N)CC1 to produce COCCCN1CCC(NC(=O)c2cc(Cl)c(N)n3ccnc23)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.