Using O=C(O)C1CCN(c2ncccc2Cl)CC1, Nc1ccc(C(F)(F)F)cc1N to produce FC(F)(F)c1ccc2nc(C3CCN(c4ncccc4Cl)CC3)[nH]c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.