Using CC(=O)Nc1ccc(-c2nn(C(C)=O)c3c2Cc2ccccc2-3)cc1 to produce CC(=O)Nc1ccc(-c2n[nH]c3c2Cc2ccccc2-3)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.