Using CCNC(=O)Nc1nc2cc(Br)cc(Br)c2s1, [Zn+]c1ccccn1 to produce CCNC(=O)Nc1nc2cc(Br)cc(-c3ccccn3)c2s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.