Using CCCCCCCCCCCCC(Br)C(=O)OCC, CC(C)(C)c1cc(O)ccc1O to produce CCCCCCCCCCCCC(Oc1ccc(O)c(C(C)(C)C)c1)C(=O)OCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.