Using O=C(CBr)c1ccc(Br)cc1, N#Cc1ccc2c(c1)NC(=O)CN2 to produce N#Cc1ccc2c(c1)N(CC(=O)c1ccc(Br)cc1)C(=O)CN2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.