Using NC(N)=S, O=C(CBr)c1ccc(S(=O)(=O)NC2CCCC2)cc1 to produce Nc1nc(-c2ccc(S(=O)(=O)NC3CCCC3)cc2)cs1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.