Using CCOc1cc(O)cc(OCC)c1, COC(=O)C(Br)c1ccc(Br)cc1 to produce CCOc1cc(OCC)cc(OC(C(=O)OC)c2ccc(Br)cc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.