Using CCOC(CCCCC(=O)O)c1ccc(OC)cc1, Cc1cc(O)c2ccccc2c1O to produce COc1ccc(C(CCCCC(=O)O)C2=C(C)C(=O)c3ccccc3C2=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.