Using ClB(Cl)Cl, COc1ccc(-c2sc3cc(OC)ccc3c2C(=O)c2ccc(OCCN3CCCCC3)c(C#N)c2)cc1 to produce N#Cc1cc(C(=O)c2c(-c3ccc(O)cc3)sc3cc(O)ccc23)ccc1OCCN1CCCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.