Using CS(N)(=O)=O, O=C(O)CCn1cc(Cc2ncc[nH]2)c2cc(Br)ccc21 to produce CS(=O)(=O)NC(=O)CCn1cc(Cc2ncc[nH]2)c2cc(Br)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.