Using N#C/C=C1\c2ccccc2CCc2cc(CBr)ccc21, CCc1[nH]c2ccccc2c1C to produce CCc1c(C)c2ccccc2n1Cc1ccc2c(c1)CCc1ccccc1/C2=C\C#N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.