Using Cc1ccc(S(=O)(=O)OC2CCC(C)C2)cc1, COC(=O)Nc1cc(OC(=O)OCC(C)C)c(Cl)cc1F to produce COC(=O)Nc1cc(OC2CCC(C)C2)c(Cl)cc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.