Using CCC(CC)(c1ccc(C#C[Si](C)(C)C)c(C)c1)c1ccc(C(=O)OC)c(C)c1 to produce C#Cc1ccc(C(CC)(CC)c2ccc(C(=O)OC)c(C)c2)cc1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.