Using CC(C)(C)OC(=O)Nc1ccccc1N, Nc1nc2ccc(C(=O)O)cc2s1 to produce CC(C)(C)OC(=O)Nc1ccccc1NC(=O)c1ccc2nc(N)sc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.