Using Nc1c(C(=O)NCC(O)(CNCc2ccccc2)C(F)(F)F)cnn1-c1ccc(F)cc1 to produce NCC(O)(CNC(=O)c1cnn(-c2ccc(F)cc2)c1N)C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.