Using Cc1cc(O)cc(C)c1Br, COC(=O)c1ccc(C(O)C(C)C)cc1 to produce COC(=O)c1ccc(C(Oc2cc(C)c(Br)c(C)c2)C(C)C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.