Using COC(=O)C(c1ccccc1OCc1ccccc1)C(O)C1CCCCC1 to produce O=C(O)C(c1ccccc1OCc1ccccc1)C(O)C1CCCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.