Using Oc1c(Cl)cc(OCc2ccccc2)cc1Cl, Clc1ccc(OCCCBr)cc1 to produce Clc1ccc(OCCCOc2c(Cl)cc(OCc3ccccc3)cc2Cl)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.