Using NC(N)=S, CC(C)(C)c1nnc(NC(=O)CC(=O)CBr)s1 to produce CC(C)(C)c1nnc(NC(=O)Cc2csc(N)n2)s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.