Using O=Cc1ccc(B(O)O)cc1, NC(=O)Nc1sc(Br)cc1C(N)=O to produce NC(=O)Nc1sc(-c2ccc(C=O)cc2)cc1C(N)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.