Using NCc1cccnc1, O=C(O)c1ccc2[nH]nc(-c3ccc(F)cc3)c2c1 to produce O=C(NCc1cccnc1)c1ccc2[nH]nc(-c3ccc(F)cc3)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.