Using F, CCC=C1CCC(c2ccc(-c3cc(F)c(F)c(F)c3)c(F)c2)CC1 to produce CCCC1(F)CCC(c2ccc(-c3cc(F)c(F)c(F)c3)c(F)c2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.