Using CC(=O)Oc1ccc([N+](=O)[O-])cc1C(=O)Nc1ccc(Nc2ccc(Cl)cc2)c(Cl)c1 to produce O=C(Nc1ccc(Nc2ccc(Cl)cc2)c(Cl)c1)c1cc([N+](=O)[O-])ccc1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.