Using CCOC(=O)Cc1ccc(N2Cc3c(c(OCC)c4ccccc4c3O)C2=O)c(F)c1, O=C([O-])C(F)(F)Cl to produce CCOC(=O)Cc1ccc(N2Cc3c(c(OCC)c4ccccc4c3OC(F)F)C2=O)c(F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.