Using Oc1cc2ccc(Br)nc2cn1, COC(=O)c1ccc(CBr)cc1 to produce COC(=O)c1ccc(Cn2cc3nc(Br)ccc3cc2=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.