Using Cn1c(=O)c2c(Br)cccc2n2cnc(-c3noc(C4CC4)n3)c12, [C-]#N to produce Cn1c(=O)c2c(C#N)cccc2n2cnc(-c3noc(C4CC4)n3)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.