Using Clc1ccc2c(Cl)ccnc2c1, CC(C)(C)OC(=O)NC1CCNC1 to produce CC(C)(C)OC(=O)NC1CCN(c2ccnc3cc(Cl)ccc23)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.