Using CCOC(=O)CC(=O)Nc1nccs1, O=c1oc(C(Cl)Cl)nc2c(C(F)(F)F)cccc12 to produce CCOC(=O)C(C(=O)Nc1nccs1)C(=O)c1cccc(C(F)(F)F)c1NC(=O)C(Cl)Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.