Using ClC(Cl)(Cl)Cl, Cc1nc(-c2nn3ccccc3c2-c2ccnc(NC3CCCC3)c2)cs1 to produce Cc1nc(-c2nn3c(Cl)cccc3c2-c2ccnc(NC3CCCC3)c2)cs1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.