Using Cc1c(C#C[Si](C)(C)C)cc(C(C)(C)C)c(OC(C)C)c1C=O to produce C#Cc1cc(C(C)(C)C)c(OC(C)C)c(C=O)c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.