Using FC(F)(F)c1nnc2ccc(N3CC=C(c4cccnc4)CC3)nn12 to produce FC(F)(F)c1nnc2ccc(N3CCC(c4cccnc4)CC3)nn12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.