Using Oc1ccc(Sc2ccc(Cl)cc2)cc1Br, ClCC=C(Cl)Cl to produce ClC(Cl)=CCOc1ccc(Sc2ccc(Cl)cc2)cc1Br, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.