Using CCOC(=O)CBr, CS(=O)(=O)O[C@@H]1C[C@@H](CO)N(C(=O)OCc2ccccc2)C1 to produce CCOC(=O)COC[C@@H]1C[C@@H](OS(C)(=O)=O)CN1C(=O)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.