Using CCOC(=O)C1=Cc2cc(-c3ccc(OCC)cc3)ccc2OCC1 to produce CCOc1ccc(-c2ccc3c(c2)C=C(C(=O)O)CCO3)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.