Using O=C(O)c1cncc(Br)c1, C[S@@](=N)(=O)c1ccccc1 to produce C[S@](=O)(=NC(=O)c1cncc(Br)c1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.