Using CCC(=O)c1cc(C)nc(Oc2c(C)cc(C)cc2C)c1C, NO to produce CCC(=NO)c1cc(C)nc(Oc2c(C)cc(C)cc2C)c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.