Using COc1cc(CCl)c(CCNC(=O)C(F)(F)F)cc1OC, [C-]#N to produce COc1cc(CC#N)c(CCNC(=O)C(F)(F)F)cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.