Using Cc1cc2c([nH]c(=O)n2Cc2ccccc2)c(N)n1, BrBr to produce Cc1nc(N)c2[nH]c(=O)n(Cc3ccccc3)c2c1Br, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.