Using O=C(OCc1ccccc1)N1CC(F)(F)C12CCCN(c1ncnc3[nH]ccc13)C2 to produce FC1(F)CNC12CCCN(c1ncnc3[nH]ccc13)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.