Using C1=CCC=C1, CC1=Cc2c(Br)cccc2C1[Si](C)(C)Cl to produce CC1=Cc2c(Br)cccc2C1[Si](C)(C)C1C=CC=C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.