Using NO, COC(=O)c1c(C=O)cccc1Oc1nc(OC)cc(OC)n1 to produce COC(=O)c1c(C=NO)cccc1Oc1nc(OC)cc(OC)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.