Using NC(=O)c1c(NC(=O)CBr)sc2c1CCCC2, N#Cc1n[nH]c2ccccc12 to produce N#Cc1nn(CC(=O)Nc2sc3c(c2C(N)=O)CCCC3)c2ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.