Using COc1nc2cc([N+](=O)[O-])cc(C[n+]3ccc(N)cc3)c2nc1OC to produce Nc1cc[n+](Cc2cc([N+](=O)[O-])cc3[nH]c(=O)c(=O)[nH]c23)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.