Using CN1CCNCC1, O=Cc1cc(Cl)c(-c2nnc3ccc(F)cn23)c(Cl)c1 to produce CN1CCN(Cc2cc(Cl)c(-c3nnc4ccc(F)cn34)c(Cl)c2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.