Using O=C(O)c1cc(Cl)c(Cl)cc1[N+](=O)[O-], Oc1ccc(Cl)cc1 to produce O=C(O)c1cc(Oc2ccc(Cl)cc2)c(Cl)cc1[N+](=O)[O-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.