Using CN1CCNCC1, O=C1Cc2ccccc2Sc2cc(C(F)(F)F)c(Cl)cc21 to produce CN1CCN(C2=Cc3ccccc3Sc3cc(C(F)(F)F)c(Cl)cc32)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.