Using Nc1nc2ccc(Oc3cc(NC(=O)C(F)(F)F)c(F)cc3Cl)nc2s1, CC(=O)Cl to produce CC(=O)Nc1nc2ccc(Oc3cc(NC(=O)C(F)(F)F)c(F)cc3Cl)nc2s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.