Using FC(F)(F)C1(c2cc(Cl)c(Cl)c(Cl)c2)CCNC1, Cc1cccc(Cl)n1 to produce Cc1cccc(N2CCC(c3cc(Cl)c(Cl)c(Cl)c3)(C(F)(F)F)C2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.