Using NC(=N[N+](=O)[O-])NCCNCc1ccc(Cl)nc1, C=O to produce NC(=N[N+](=O)[O-])N1CCN(Cc2ccc(Cl)nc2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.