Using NCCF, Cc1cnc2c(C(=O)O)cn(Cc3nccc(OCC(F)(F)F)c3C)c2c1 to produce Cc1cnc2c(C(=O)NCCF)cn(Cc3nccc(OCC(F)(F)F)c3C)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.