Using C=CCBr, COc1ccc(C(=O)c2oc3cccc(O)c3c2C)cc1 to produce C=CCOc1cccc2oc(C(=O)c3ccc(OC)cc3)c(C)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.