Using CCOC(=O)C(Cl)C=O, Nn1c(C(F)(F)F)cc(-c2ccc(C(F)(F)F)cc2)cc1=S to produce CCOC(=O)c1cnn2c(C(F)(F)F)cc(-c3ccc(C(F)(F)F)cc3)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.