Using N#Cc1ccc(N)nc1, COC(OC)c1nc2c(cc1Br)CCCN2C(=O)Oc1ccccc1 to produce COC(OC)c1nc2c(cc1Br)CCCN2C(=O)Nc1ccc(C#N)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.