Using Nc1ccc(Cn2nc(C(F)(F)F)c3c2CCCC3)cc1, O=C(Cl)CCCCl to produce O=C1CCCN1c1ccc(Cn2nc(C(F)(F)F)c3c2CCCC3)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.