Using Cn1cc(Br)cc(N)c1=O, CN1CC(Oc2ccc(Br)nc2)C1 to produce CN1CC(Oc2ccc(Nc3cc(Br)cn(C)c3=O)nc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.