Using COC(=O)CBr, COc1ccc(C(=O)c2ccc(O)c(C)c2)cc1 to produce COC(=O)COc1ccc(C(=O)c2ccc(OC)cc2)cc1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.