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