Using N#CCCCCCO, COc1ccc(-c2c(-c3ccccc3)oc3ncnc(Cl)c23)cc1 to produce COc1ccc(-c2c(-c3ccccc3)oc3ncnc(OCCCCCC#N)c23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.