Using Clc1ccc2oc(Br)c(-c3cccc(CBr)c3)c2c1, [C-]#N to produce N#CCc1cccc(-c2c(Br)oc3ccc(Cl)cc23)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.