Using BrCc1ccccc1, N#Cc1ccccc1-c1ccc2[nH]ccc2c1 to produce N#Cc1ccccc1-c1ccc2[nH]cc(Cc3ccccc3)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.