Using Cc1[o+]c2c(c3c1[nH]c1cc(F)ccc13)C(=O)CC(C)(C)C2, [NH4+] to produce Cc1nc2c(c3c1[nH]c1cc(F)ccc13)C(=O)CC(C)(C)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.