Using Clc1nc2ccccc2s1, C[C@@H]1CN(C(=O)c2ccccc2)CCN1C(=O)CC#N to produce C[C@@H]1CN(C(=O)c2ccccc2)CCN1C(=O)C(C#N)c1nc2ccccc2s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.