Using COc1cc(N2CCN(C(=O)Cn3c(=O)oc4cc(C#N)ccc43)CC2)ccc1Cl, NO to produce COc1cc(N2CCN(C(=O)Cn3c(=O)oc4cc(C(=N)NO)ccc43)CC2)ccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.