Using COc1ccc(-n2cc(Br)c3cc(OC)cc(C#N)c3c2=O)cc1 to produce N#Cc1cc(O)cc2c(Br)cn(-c3ccc(O)cc3)c(=O)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.