Using CCCCCc1ccc(-c2ccc(-c3ccc(C(O)CC)c(F)c3F)cc2)cc1 to produce CC=Cc1ccc(-c2ccc(-c3ccc(CCCCC)cc3)cc2)c(F)c1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.