Using CC(=O)O, COc1nc(Nc2ccc(Cl)cc2[N+](=O)[O-])nc(OC)n1 to produce COc1nc(OC)nc(-n2c(C)nc3cc(Cl)ccc32)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.