Using COCOC(=O)c1cc(C)ccc1OCOC, Brc1ncccc1C1OCCO1 to produce COCOc1ccc(C)cc1C(=O)c1ncccc1C1OCCO1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.