Using c1nc[nH]n1, Fc1ccc(C([SiH2]CCl)c2ccc(F)cc2)cc1 to produce Fc1ccc(C([SiH2]Cn2cncn2)c2ccc(F)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.