Using O=C(CC(=O)C(F)(F)F)c1ccco1, CCOC(=O)c1csc(NN)n1 to produce CCOC(=O)c1csc(-n2nc(C(F)(F)F)cc2-c2ccco2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.