Using CCCCC12CCC(=O)C(C(F)(F)F)=C1c1cc(F)c(NC(C)=O)c(F)c1C2 to produce CCCCC12CCC(=O)C(C(F)(F)F)=C1c1cc(F)c(N)c(F)c1C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.