Using CC(=O)OC(C)=O, CCCCc1oc2ccccc2c1CCc1ccc(OS(=O)(=O)c2ccc(C(=O)O)c(O)c2)cc1 to produce CCCCc1oc2ccccc2c1CCc1ccc(OS(=O)(=O)c2ccc(C(=O)O)c(OC(C)=O)c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.