Using O=S(=O)(c1ccc(Cl)cc1)C(CCCCCO)c1cc(F)ccc1F to produce O=S(=O)(c1ccc(Cl)cc1)C1(c2cc(F)ccc2F)CCCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.