Using COC(=O)C(C)c1ccc(Cl)c(Cl)c1, COC(CBr)OC to produce COC(=O)C(C)(CC(OC)OC)c1ccc(Cl)c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.