Using CC(C)C(=O)Nc1nc2ncc(C=O)nc2c(=O)[nH]1, Nc1ccc(C(=O)O)cc1 to produce CC(C)C(=O)Nc1nc2ncc(CNc3ccc(C(=O)O)cc3)nc2c(=O)[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.