Using Nc1c(OCCN(CCCc2c[nH]c3ccccc23)C(=O)C(F)(F)F)cccc1[N+](=O)[O-] to produce Nc1cccc(OCCN(CCCc2c[nH]c3ccccc23)C(=O)C(F)(F)F)c1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.