Using COC(=O)CCc1cc(-c2ccc(O)cc2)cc(-c2ccc(O)cc2)c1 to produce OCCCc1cc(-c2ccc(O)cc2)cc(-c2ccc(O)cc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.