Using C=CCBr, CC1(C)OB(c2cc3c(cc2F)OCCN3)OC1(C)C to produce C=CCN1CCOc2cc(F)c(B3OC(C)(C)C(C)(C)O3)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.