Using COC(=O)c1cccc(C(=O)O)c1, Brc1cnc2c(Nc3ccccc3)cccc2c1 to produce COC(=O)c1cccc(C(=O)Nc2cccc3cc(Br)cnc23)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.