Using CC(=O)NN(Cc1ccccc1Br)c1nc(C)cc(Nc2ccc(Cl)cc2)n1 to produce Cc1cc(Nc2ccc(Cl)cc2)nc(N(N)Cc2ccccc2Br)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.