Using CC(C)(C)[Si](C)(C)Cl, COC(=O)c1sc2c(c1C#CCO)CCCC2 to produce COC(=O)c1sc2c(c1C#CCO[Si](C)(C)C(C)(C)C)CCCC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.