Using OB(O)c1ccc(Cl)cc1OCc1ccccc1, CCOC(=O)c1ccccc1-c1ccccc1Br to produce CCOC(=O)c1ccccc1-c1ccccc1-c1ccc(Cl)cc1OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.