Using CS(=O)(=O)CCO, O=C(O)c1ccc(F)c(S(=O)(=O)N2CCOCC2)c1 to produce O=C(O)c1ccc(O)c(S(=O)(=O)N2CCOCC2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.