Using Nc1cccnc1, COc1ccc(COc2ccc(Br)cc2C(=O)O)cc1 to produce COc1ccc(COc2ccc(Br)cc2C(=O)Nc2cccnc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.