Using CC(C)(C)OC(=O)Nc1ccc(N)cc1, CC(=O)Nc1nc(C(=O)O)cs1 to produce CC(=O)Nc1nc(C(=O)Nc2ccc(NC(=O)OC(C)(C)C)cc2)cs1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.