Using CCOC(=O)CC(C)=O, COC(=O)c1ccc(CBr)c(OC)c1 to produce CCOC(=O)C(Cc1ccc(C(=O)OC)cc1OC)C(C)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.