Using COc1ccc(C(=O)CC(=O)c2ccccc2O)c([N+](=O)[O-])c1 to produce COc1ccc(-c2cc(=O)c3ccccc3o2)c([N+](=O)[O-])c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.