Using O=Cc1ccc(C(F)(F)F)cc1, NCCNc1nc(Cl)nc2c1ncn2C1CCCC1 to produce FC(F)(F)c1ccc(CNCCNc2nc(Cl)nc3c2ncn3C2CCCC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.