Using COC(=O)c1scc(Br)c1O, CC(Br)C(=O)OC(C)(C)C to produce COC(=O)c1scc(Br)c1OC(C)C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.