Using CCOC(=O)c1cc2c(cnn2C)cc1Oc1ccc([N+](=O)[O-])cc1F to produce Cn1ncc2cc(Oc3ccc([N+](=O)[O-])cc3F)c(C(=O)O)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.