Using O=C1[C@H](Cc2c(Cl)cc(OCc3ccccc3)cc2Cl)CCN1[C@H]1CC[C@@H](O)CC1, CC(C)(C)[Si](C)(C)Cl to produce CC(C)(C)[Si](C)(C)O[C@H]1CC[C@@H](N2CC[C@@H](Cc3c(Cl)cc(OCc4ccccc4)cc3Cl)C2=O)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.