Using O=[N+]([O-])c1ccc(NS(=O)(=O)c2ccccc2)cc1, BrCCBr to produce O=[N+]([O-])c1ccc(N(CCBr)S(=O)(=O)c2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.