Using Nc1c(OCCCl)cc(Cl)cc1[N+](=O)[O-], [N-]=[N+]=[N-] to produce [N-]=[N+]=NCCOc1cc(Cl)cc([N+](=O)[O-])c1N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.