Using CS(=O)(=O)c1cccc(B(O)O)c1, CCOC(=O)Cn1nc(C(F)(F)F)cc1-c1ccc(Br)s1 to produce CCOC(=O)Cn1nc(C(F)(F)F)cc1-c1ccc(-c2cccc(S(C)(=O)=O)c2)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.