Using ClCc1ccc(Cl)nc1, O=CC=CN1CCNC1=N[N+](=O)[O-] to produce O=CC=CN1CCN(Cc2ccc(Cl)nc2)C1=N[N+](=O)[O-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.