Using Clc1cccnc1Br, CC(C)(C)OC(=O)N1C2CCC1CNC2 to produce CC(C)(C)OC(=O)N1C2CCC1CN(c1ncccc1Cl)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.