Using CCCCCCCCCC1COC(c2cccc(F)c2F)OC1, CCCCCCCI to produce CCCCCCCCCC1COC(c2ccc(CCCCCCC)c(F)c2F)OC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.