Using O=C(c1cccc(C(F)(F)F)c1Cl)N1CCn2c(Br)nnc2C1, OB(O)c1ccccc1 to produce O=C(c1cccc(C(F)(F)F)c1Cl)N1CCn2c(nnc2-c2ccccc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.