Using Nc1cc(Cl)c(O)cc1[N+](=O)[O-], O=C(Cl)OCCCl to produce O=C(Nc1cc(Cl)c(O)cc1[N+](=O)[O-])OCCCl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.