Using C=C(C)n1c(=O)n(Cc2nc3cc(C#N)ccc3n2CCC(C)C)c2ccccc21, NO to produce C=C(C)n1c(=O)n(Cc2nc3cc(C(=N)NO)ccc3n2CCC(C)C)c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.