Using C#CCCOCc1cc(Cl)c(Cc2ccc(CC)cc2)cc1Br, C[Si](C)(C)Cl to produce CCc1ccc(Cc2cc(Br)c(COCCC#C[Si](C)(C)C)cc2Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.