Using CCc1[nH]c2c(F)ccc(OCC(=O)OC)c2c(=O)c1Cc1ccc(C(=O)N2CCCC2)cc1, CC(=O)OC(F)(F)Cl to produce CCc1nc2c(F)ccc(OCC(=O)OC)c2c(OC(F)F)c1Cc1ccc(C(=O)N2CCCC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.