Using O=c1cc(-c2ccc(Cl)cc2)oc2ccc(CBr)cc12, [C-]#N to produce N#CCc1ccc2oc(-c3ccc(Cl)cc3)cc(=O)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.