Using Nc1nc(OCC(F)(F)F)c2nc(Cl)ccc2n1, OB(O)c1ccc(F)cc1 to produce Nc1nc(OCC(F)(F)F)c2nc(-c3ccc(F)cc3)ccc2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.