Using Cc1[nH]c(=O)c(C(N)=O)cc1-c1ccc(N2CCC(c3ccccc3)CC2)cc1 to produce Cc1[nH]c(=O)c(C#N)cc1-c1ccc(N2CCC(c3ccccc3)CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.