Using Cc1ccc(N)cc1NC(=O)c1cc2nccnc2s1, O=C(O)c1ccnc(Br)c1 to produce Cc1ccc(NC(=O)c2ccnc(Br)c2)cc1NC(=O)c1cc2nccnc2s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.