Using BrCCCOC1CCCCO1, COC(=O)c1cc(O)cc(C(C)(C)C)c1 to produce COC(=O)c1cc(OCCCOC2CCCCO2)cc(C(C)(C)C)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.