Using Clc1cc(Nc2ccc3cccnc3c2)ncn1, FC(F)(F)C1CCNCC1 to produce FC(F)(F)C1CCN(c2cc(Nc3ccc4cccnc4c3)ncn2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.