Using CC(C)Br, Cc1c(C(=O)OC(C)(C)C)oc2cccc(O)c12 to produce Cc1c(C(=O)OC(C)(C)C)oc2cccc(OC(C)C)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.