Using O=C(CCCCCCCC=Cc1ccc(Cl)cc1)C1=C(O)COC1=O to produce O=C(CCCCCCCCCc1ccc(Cl)cc1)C1=C(O)COC1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.