Using NNC(=S)c1cc(F)ccc1F, CC(C)(C)OC(=O)NCCC(=O)c1ccccc1 to produce CC(C)(C)OC(=O)NCCC1(c2ccccc2)NN=C(c2cc(F)ccc2F)S1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.