Using O=C([O-])[O-], CC(C)(C)OC(=O)Nc1cc2ccn(-c3ccc([N+](=O)[O-])cc3)c(=O)c2cc1F to produce CN(C(=O)OC(C)(C)C)c1cc2ccn(-c3ccc([N+](=O)[O-])cc3)c(=O)c2cc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.