Using O=[N+]([O-])O, CC(C)n1c(N2CCN(C)CC2)nc2cc(Cl)ccc21 to produce CC(C)n1c(N2CCN(C)CC2)nc2cc(Cl)c([N+](=O)[O-])cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.