Using FC(F)(F)c1cnc2c(c1)CNCC2, O=C(C(=O)n1nnc2ccccc21)n1nnc2ccccc21 to produce O=C(C(=O)n1nnc2ccccc21)N1CCc2ncc(C(F)(F)F)cc2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.