Using O=Cc1ccc(O)cc1, CS(=O)(=O)OCCc1ccc(OS(C)(=O)=O)cc1 to produce CS(=O)(=O)Oc1ccc(CCOc2ccc(C=O)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.