Using CCCCC(=O)c1c(-c2ccc3c(Br)c(O)ccc3c2)oc2ccccc12, N#CCBr to produce CCCCC(=O)c1c(-c2ccc3c(Br)c(OCC#N)ccc3c2)oc2ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.