Using COC(=O)CCCC(C)(C)c1ccc(O)cc1O, CCCCC(CC)CO to produce CCCCC(CC)COC(=O)CCCC(C)(C)c1ccc(O)cc1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.