Using COC(=O)C(C)c1ccc2c(c1)C=Cc1ccccc1C21OCCO1 to produce CC(C(=O)O)c1ccc2c(=O)c3ccccc3ccc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.