Using O=Cc1cccc(O)c1, CCCCOC(=O)[C@H](CC)OS(=O)(=O)C(F)(F)F to produce CCCCOC(=O)[C@@H](CC)Oc1cccc(C=O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.