Using CC(C)(C)C12COC(c3ccc(C#C[Si](C)(C)C)cc3)(OC1)OC2C#N to produce C#Cc1ccc(C23OCC(C(C)(C)C)(CO2)C(C#N)O3)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.