Using CC(C)(C)OC(=O)NCCc1ccc(Oc2ccc(C(F)(F)F)cn2)c(Br)c1, CN(C)C=O to produce CC(C)(C)OC(=O)NCCc1ccc(Oc2ccc(C(F)(F)F)cn2)c(C#N)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.