Using CC(C)c1noc(N2CCC(COc3ccc(Br)cc3)CC2)n1, CC(C)OB(OC(C)C)OC(C)C to produce CC(C)c1noc(N2CCC(COc3ccc(B(O)O)cc3)CC2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.