Using CC1(C)OB(c2ccc(OCc3ccccc3)cc2)OC1(C)C, CC1(C)OC(c2ccncc2)=C(Br)C1=O to produce CC1(C)OC(c2ccncc2)=C(c2ccc(OCc3ccccc3)cc2)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.