Using O=C(O)c1cccc(-c2ccccc2)c1O, CC(C)C(OS(C)(=O)=O)C(C)C to produce CC(C)C(OC(=O)c1cccc(-c2ccccc2)c1O)C(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.