Using Nc1ccc(Cl)cc1[N+](=O)[O-], COC(=O)C(=O)Cl to produce O=C([O-])C(=O)Nc1ccc(Cl)cc1[N+](=O)[O-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.