Using C=CCBr, Cc1cc2c(cc1B1OC(C)(C)C(C)(C)O1)NCCO2 to produce C=CCN1CCOc2cc(C)c(B3OC(C)(C)C(C)(C)O3)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.