Using COC(=O)c1cn2c(n1)COc1ccc([N+](=O)[O-])cc1-2 to produce COC(=O)c1cn2c(n1)COc1ccc(N)cc1-2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.