Using [NH4+], COc1cc2c(=O)oc(=O)[nH]c2cc1[N+](=O)[O-] to produce COc1cc(C(N)=O)c(N)cc1[N+](=O)[O-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.