Using CS(=O)(=O)Cl, CC(C)(C)OC(=O)N[C@H](CO)c1cc(F)cc(Br)c1 to produce CC(C)(C)OC(=O)N[C@H](COS(C)(=O)=O)c1cc(F)cc(Br)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.