Using CN1CCNCC1, O=[N+]([O-])c1cc(S(=O)(=O)Nc2cccc(Cl)c2)ccc1Cl to produce CN1CCN(c2ccc(S(=O)(=O)Nc3cccc(Cl)c3)cc2[N+](=O)[O-])CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.