Using O=[N+]([O-])c1cc(Cl)ccc1Cl, CN1CCN(CCCN)CC1 to produce CN1CCN(CCCNc2ccc(Cl)cc2[N+](=O)[O-])CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.