Using Cc1ccc2c(Nc3cc(Cl)ccc3Oc3ccc(C#N)cc3)ccnc2n1 to produce Cc1ccc2c(Nc3cc(Cl)ccc3Oc3ccc(CN)cc3)ccnc2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.