Using OO, COc1ccccc1N1CCN(CC(O)CSc2ccc(F)cc2)CC1 to produce COc1ccccc1N1CCN(CC(O)CS(=O)c2ccc(F)cc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.