Using CCN1C(=O)C(C)(C)c2cc([N+](=O)[O-])c(NC(C)=O)cc21 to produce CCN1C(=O)C(C)(C)c2cc([N+](=O)[O-])c(N)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.