Using COc1ccc(Oc2c(Cl)cc([N+](=O)[O-])cc2Cl)cc1S(=O)O, BrCC1CC1 to produce COc1ccc(Oc2c(Cl)cc([N+](=O)[O-])cc2Cl)cc1S(=O)(=O)CC1CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.