Using CC1(C)C(c2ccncc2)=Nc2ccc(C3=NNC(=O)CC3)cc21 to produce CC1(C)C(c2ccncc2)=Nc2ccc(-c3ccc(=O)[nH]n3)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.