Using CCOC(=O)c1cc(C(C)(C)C)n(CCc2ccc(F)cc2)c1C, CC(=O)Cl to produce CCOC(=O)c1cc(C(C)=O)n(CCc2ccc(F)cc2)c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.