Using CCCCN, O=C1CC(C=C(F)F)CN1Cc1c(C(F)(F)F)nc2ccc(Cl)nn12 to produce CCCCNc1ccc2nc(C(F)(F)F)c(CN3CC(C=C(F)F)CC3=O)n2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.