Using Cc1cccc(CO)c1-n1c(Cl)nn(C)c1=O, BrC(Br)(Br)Br to produce Cc1cccc(CBr)c1-n1c(Cl)nn(C)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.