Using COc1cc(C2C(C#N)=C(N)Oc3cc(N(C)C)ccc32)cc(Br)c1OC to produce COc1cc(C2C(C#N)=COc3cc(N(C)C)ccc32)cc(Br)c1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.