Using O=C(O)c1cncc(Br)c1, COC(=O)Cc1cccc(S(C)(=N)=O)c1 to produce COC(=O)Cc1cccc(S(C)(=O)=NC(=O)c2cncc(Br)c2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.