Using Nc1c(O)cccc1[N+](=O)[O-], O=C(Cl)c1ccc(Cl)cc1Cl to produce Nc1c(OC(=O)c2ccc(Cl)cc2Cl)cccc1[N+](=O)[O-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.