Using COC(=O)c1cc(Cl)c(O[Si](C)(C)C(C)(C)C)c(Cl)c1 to produce CC(C)(C)[Si](C)(C)Oc1c(Cl)cc(CO)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.