Using O=C([O-])[O-], CC(C)(Br)CNc1ccc(S(=O)(=O)c2ccccc2)cc1O to produce CC1(C)Oc2cc(S(=O)(=O)c3ccccc3)ccc2NC1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.