Using CC1(C)OB(c2cnc3c(c2)CCCN3C(N)=O)OC1(C)C, CC(O)(c1cncc(Br)c1)C(F)(F)F to produce CC(O)(c1cncc(-c2cnc3c(c2)CCCN3C(N)=O)c1)C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.