Using CC(C)(C)[Si](C)(C)OC(CO)C1CC1, Oc1c(Cl)nc(Cl)nc1Cl to produce CC(C)(C)[Si](C)(C)OC(COc1c(Cl)nc(Cl)nc1Cl)C1CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.