Using COc1ccc(Nc2nc(C)nc3ccc([N+](=O)[O-])cc23)cc1OC, CI to produce COc1ccc(N(C)c2nc(C)nc3ccc([N+](=O)[O-])cc23)cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.