Using N#CCBr, COc1ccc2c3c(O)cccc3n(Cc3ccccc3)c2c1 to produce COc1ccc2c3c(OCC#N)cccc3n(Cc3ccccc3)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.