Using [Cl-], COc1ccc(Cn2cc(C#N)c(=O)c(-c3cccc(OCCCl)c3)c2)cc1OC to produce N#Cc1cncc(-c2cccc(OCCCl)c2)c1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.