Using O=C(O)c1c[nH]c2cc(F)c(-c3ccc([C@@H]4CCCO4)cc3)c(F)c12 to produce O=C(O)c1c[nH]c2cc(F)c(-c3ccc(C4CCCO4)cc3)c(F)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.