Using C=CCN(c1cc([N+](=O)[O-])ccc1Br)S(C)(=O)=O to produce Cc1cn(S(C)(=O)=O)c2cc([N+](=O)[O-])ccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.