Using c1c[nH]cn1, Clc1ccc(C2(CBr)OC2c2ccc(Cl)cc2Cl)cc1 to produce Clc1ccc(C2(Cn3ccnc3)OC2c2ccc(Cl)cc2Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.