Using COC(CNCc1cc(Br)cc(OC(C)C)c1C)OC, Cc1ccc(S(=O)(=O)Cl)cc1 to produce COC(CN(Cc1cc(Br)cc(OC(C)C)c1C)S(=O)(=O)c1ccc(C)cc1)OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.