Using CC1(CO)CN(Cc2ccccc2)CC1c1ccc(Cl)cc1, Clc1ccc(Br)nc1 to produce CC1(COc2ccc(Cl)cn2)CN(Cc2ccccc2)CC1c1ccc(Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.