Using CCN1CCN(c2ccc3cnn(S(C)(=O)=O)c3c2)C(=O)c2cc([N+](=O)[O-])c(N)cc21 to produce CCN1CCN(c2ccc3cn[nH]c3c2)C(=O)c2cc([N+](=O)[O-])c(N)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.