Using O=[N+]([O-])c1ccc(OS(=O)(=O)C(F)(F)F)cc1, COc1cc(C=O)c(C)cc1O to produce COc1cc(C=O)c(C)cc1OS(=O)(=O)C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.