Using CN(Cc1ccc(-c2ccc(O)c(Br)c2)cc1)C(=O)c1cn(C)c2ccccc12, N#CCBr to produce CN(Cc1ccc(-c2ccc(OCC#N)c(Br)c2)cc1)C(=O)c1cn(C)c2ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.