Using CC1(C)CCc2ccc(O)cc2C1, CC(C)(C)OC(=O)c1cc(Cl)c(CBr)cc1F to produce CC1(C)CCc2ccc(OCc3cc(F)c(C(=O)OC(C)(C)C)cc3Cl)cc2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.