Using COc1ccc2[nH]c(=O)cc(C)c2c1Cl, O=[N+]([O-])O to produce COc1cc([N+](=O)[O-])c2[nH]c(=O)cc(C)c2c1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.