Using CC(C)CCC(Br)CCC(C)C, CC(=O)Oc1c(C(C)(C)C)cc(O)c(C=O)c1C(C)(C)C to produce CC(=O)Oc1c(C(C)(C)C)cc(O)c(C(O)C(CCC(C)C)CCC(C)C)c1C(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.