Using CC(NC(=O)c1cc(Cl)ccc1NC(=O)c1cc(Br)nn1-c1ncccc1Cl)C1CC1, BrBr to produce CC(NC(=O)c1cc(Cl)cc(Br)c1NC(=O)c1cc(Br)nn1-c1ncccc1Cl)C1CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.