Using CC(=O)NCCCS(=O)(=O)OCC(C)(C)C(OCc1ccccc1)C(=O)OCCOC(=O)c1ccccc1 to produce CC(=O)NCCCS(=O)(=O)OCC(C)(C)C(O)C(=O)OCCOC(=O)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.