Using CCCCCCCc1ccccc1C=O, CC(=O)c1ccc(OCC=C(C)C)cc1O to produce CCCCCCCc1ccccc1C=CC(=O)c1ccc(OCC=C(C)C)cc1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.