Using COc1ccc(C(=O)Nc2c(Cl)cncc2Cl)cc1O, CCCCCCCCCBr to produce CCCCCCCCCOc1cc(C(=O)Nc2c(Cl)cncc2Cl)ccc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.