Using CCNS(=O)(=O)c1nc2ccc([N+](=O)[O-])cc2n1CC, CCBr to produce CCN(CC)S(=O)(=O)c1nc2ccc([N+](=O)[O-])cc2n1CC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.