Using COC(=O)c1ccc(OC)c(NC(=N)c2ccc(F)cc2F)c1 to produce COC(=O)c1ccc(OC)c2[nH]c(-c3ccc(F)cc3F)nc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.