Using FC(F)(F)c1cccc(C2=CCNCC2)c1, Cc1cccc(CCCl)n1 to produce Cc1cccc(CCN2CC=C(c3cccc(C(F)(F)F)c3)CC2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.