Using FC(F)(F)c1nnc2n1N=C(N1CC=C(c3c[nH]c4ccccc34)CC1)CC2 to produce FC(F)(F)c1nnc2n1N=C(N1CCC(c3c[nH]c4ccccc34)CC1)CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.