Using FC(F)(F)c1cnc(Cl)c(Cl)c1, Oc1c(Cl)cc(OCc2ccccc2)cc1Cl to produce FC(F)(F)c1cnc(Oc2c(Cl)cc(OCc3ccccc3)cc2Cl)c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.