Using O=C(c1cc(Br)c(=O)n(-c2ccccc2)c1)c1ccccn1, OB(O)c1ccccc1 to produce O=C(c1cc(-c2ccccc2)c(=O)n(-c2ccccc2)c1)c1ccccn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.