Using CCOC(=O)C(=O)CC(=O)c1ccccc1OCc1ccccc1, NN to produce CCOC(=O)c1cc(-c2ccccc2OCc2ccccc2)[nH]n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.