Using CCOC(=O)c1c(-c2ccccc2)c2cc(Cl)ccc2n1CC#N to produce CCOC(=O)c1c(-c2ccccc2)c2cc(Cl)ccc2n1CCN, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.