Using COC(=O)C(C)(C)CO, C[Si](C)(C)CCOCn1c(S(C)(=O)=O)nc2cc(C#Cc3ccccc3)c(Cl)cc21 to produce CC(C)(COc1nc2cc(C#Cc3ccccc3)c(Cl)cc2n1COCC[Si](C)(C)C)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.