Using C[C@@H](Cn1ncc2ccc(O)c([N+](=O)[O-])c21)NC(=O)OCc1ccccc1 to produce C[C@@H](Cn1ncc2ccc(O)c(N)c21)NC(=O)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.