Using COC(=O)C=Cc1cc(C(=O)OC)ccc1NC(=O)NC(=O)c1cc(F)c(F)cc1Cl to produce COC(=O)C=Cc1cc(C(=O)O)ccc1NC(=O)NC(=O)c1cc(F)c(F)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.