Using Cc1cccc(C(=O)C2CNc3ccccc3C2=O)c1, BrCc1ccccn1 to produce Cc1cccc(C(=O)c2cn(Cc3ccccn3)c3ccccc3c2=O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.