Using CC(=O)O, CC(C)(C)C(=O)COc1n[nH]c(-c2ccc(S(C)(=O)=O)cc2)c1-c1ccccc1 to produce CC(=O)n1nc(OCC(=O)C(C)(C)C)c(-c2ccccc2)c1-c1ccc(S(C)(=O)=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.