Using O=C1Nc2ccccc2Nc2cc(Br)ccc21, COc1cc(B2OC(C)(C)C(C)(C)O2)ccc1O to produce COc1cc(-c2ccc3c(c2)Nc2ccccc2NC3=O)ccc1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.