Using CC(=O)OC(F)(F)Cl, CCC1=C(Cc2ccc(F)cc2)C(O)c2c(OCC(=O)OC)ccc(Cl)c2N1 to produce CCc1nc2c(Cl)ccc(OCC(=O)OC)c2c(OC(F)F)c1Cc1ccc(F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.