Using O=C1C(Cl)=C(Oc2ccc([N+](=O)[O-])cc2)C(=O)c2ccccc21 to produce O=[N+]([O-])c1ccc(Oc2c(Cl)c(O)c3ccccc3c2O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.