Using COc1ccc(C(=O)NCc2cccc(C(=O)Nc3ccc4c(c3)CNCC4)c2)cc1OC, COC(=O)CBr to produce COC(=O)CN1CCc2ccc(NC(=O)c3cccc(CNC(=O)c4ccc(OC)c(OC)c4)c3)cc2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.