Using COC(=O)C(C)(C)CC(=O)c1ccc(-c2ccc(N)cc2)cc1, Cc1ccc2nc(S(C)(=O)=O)oc2c1 to produce Cc1ccc2nc(Nc3ccc(-c4ccc(C(=O)CC(C)(C)C(=O)O)cc4)cc3)oc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.