Using CS(=O)(=O)c1ccc(-c2ccc(OCc3ccccc3)c(F)c2)nc1 to produce CS(=O)(=O)c1ccc(-c2ccc(O)c(F)c2)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.