Using COc1ccc2oc(-c3ccc([N+](=O)[O-])cc3)cc(=O)c2c1 to produce COc1ccc2oc(-c3ccc(N)cc3)cc(=O)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.