Using [NH4+], COC(=O)c1cc(F)cn1CC(=O)c1ccc(C(C)(C)C)cc1 to produce CC(C)(C)c1ccc(-c2cn3cc(F)cc3c(=O)[nH]2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.