Using COC(=O)c1ccc(NC(=O)c2cc(OC(C)C)c(F)c(OC(C)C)c2)cc1 to produce CC(C)Oc1cc(C(=O)Nc2ccc(C(=O)O)cc2)cc(OC(C)C)c1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.