Using CCOC(=O)C(Br)(Br)C(=O)OCC, O=Cc1ccc(O)c(O)c1 to produce CCOC(=O)C1(C(=O)OCC)Oc2ccc(C=O)cc2O1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.