Using C=CCBr, COc1ccc(O)c(C(=O)c2oc3ccc(Cl)cc3c2N)c1 to produce C=CCOc1ccc(OC)cc1C(=O)c1oc2ccc(Cl)cc2c1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.