Using O=S(=O)(O)O, CC(c1ccc(-c2ccccc2F)cc1)S(=O)CC(=O)O to produce CC(c1ccc(-c2ccccc2F)cc1)S(=O)(=O)CC(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.