Using O=C1CCC(=O)N1Br, Cc1ccc(-c2c(C#N)oc3ccccc23)cc1 to produce N#Cc1oc2ccccc2c1-c1ccc(CBr)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.