Using COc1cc(C)nc2c(OCc3c(Cl)ccc([N+](=O)[O-])c3Cl)cccc12 to produce COc1cc(C)nc2c(OCc3c(Cl)ccc(N)c3Cl)cccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.