Using CNc1c(C(=O)OC)cc(-c2c(C)noc2C)cc1[N+](=O)[O-] to produce CNc1c(N)cc(-c2c(C)noc2C)cc1C(=O)OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.