Using C1CNC1, O=Cc1ccc2c(c1)CCN(C(=O)C(F)(F)F)C2 to produce O=C(N1CCc2cc(CN3CCC3)ccc2C1)C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.