Using Clc1ccc2ncc(Br)n2n1, Cn1ncc2cc(C=O)ccc21 to produce Cn1ncc2cc(C(O)c3cnc4ccc(Cl)nn34)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.