Using C1=COCCC1, CC(C)(C)C(=O)Nc1cc(O)c(F)c(F)c1F to produce CC(C)(C)C(=O)Nc1cc(OC2CCCCO2)c(F)c(F)c1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.