Using NCc1ccc(F)cc1, O=C(O)c1scnc1SCCC(F)(F)c1ccc(F)cc1 to produce O=C(NCc1ccc(F)cc1)c1scnc1SCCC(F)(F)c1ccc(F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.