Using Clc1ccc(C(OC2CN(C(c3ccccc3)c3ccccc3)C2)c2ccc(Cl)cc2)cc1 to produce Clc1ccc(C(OC2CNC2)c2ccc(Cl)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.