Using Oc1ccc(Cl)cc1, ClC(Cl)=CCOc1cc(Cl)c(OCCCCBr)c(Cl)c1 to produce ClC(Cl)=CCOc1cc(Cl)c(OCCCCOc2ccc(Cl)cc2)c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.