Using C#Cc1ccccc1, Cl[SiH](Cl)C([SiH](Cl)Cl)[Si](Cl)(Cl)Cl to produce Cl[Si](Cl)(Cl)C1[Si](Cl)(Cl)C=C(c2ccccc2)[Si]1(Cl)Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.