Using CCCC(=O)NC1Cc2ccc(C3=NNC(=O)CC3)cc2C1 to produce CCCC(=O)NC1Cc2ccc(-c3ccc(=O)[nH]n3)cc2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.