Using NC(=O)c1cccc(B(O)O)c1, CCOCc1nc2c(N)nc3cc(Br)cnc3c2n1CC(C)(C)O to produce CCOCc1nc2c(N)nc3cc(-c4cccc(C(N)=O)c4)cnc3c2n1CC(C)(C)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.