Using NC(=O)c1ccccc1N, CC(=O)N1CCN(c2ccc(C=O)cc2)CC1 to produce CC(=O)N1CCN(c2ccc(-c3nc4ccccc4c(=O)[nH]3)cc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.