Using Cc1occc1CO[Si](C(C)C)(C(C)C)C(C)C, COC(=O)Cl to produce COC(=O)c1cc(CO[Si](C(C)C)(C(C)C)C(C)C)c(C)o1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.