Using C#CC(=O)OCC, COc1cc(OC)c(C=NO)c(Oc2ccc([N+](=O)[O-])cc2)c1 to produce CCOC(=O)c1cc(-c2c(OC)cc(OC)cc2Oc2ccc([N+](=O)[O-])cc2)no1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.