Using FC(F)(F)c1nc(Cl)cc(Cl)n1, OC1CCC2(CC1)OCCO2 to produce FC(F)(F)c1nc(Cl)cc(OC2CCC3(CC2)OCCO3)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.