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