Using O=Cc1cnc2ccc(Br)cn12, COc1ncc(B(O)O)c(OC)n1 to produce COc1ncc(-c2ccc3ncc(C=O)n3c2)c(OC)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.