Using CC1CN(C(=O)OC(C)(C)C)C(C)CN1, O=C1CC=Nc2cc(Cl)ccc21 to produce CC1CN(c2ccnc3cc(Cl)ccc23)C(C)CN1C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.