Using Nc1ccc2c(c1)CCC(CC(OCc1ccccc1)C(F)(F)F)O2, CCOC(=O)Cl to produce CCOC(=O)Nc1ccc2c(c1)CCC(CC(OCc1ccccc1)C(F)(F)F)O2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.