Using Nc1ncc(C2CCN(c3ccc([N+](=O)[O-])cc3)CC2)c(N)n1, Cl to produce Nc1ncc(C2CCN(c3ccc(Cl)cc3)CC2)c(N)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.