Using Cc1cc(Br)c(C)cc1N, Cc1cc(Nc2nc(Cl)ncc2Cl)n[nH]1 to produce Cc1cc(Nc2nc(Nc3cc(C)c(Br)cc3C)ncc2Cl)n[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.