Using CC(C)(C)O, CC(C)(C)[Si](C)(C)O[C@@H](CCOCOCc1ccccc1)C(=O)O to produce CC(C)(C)OC(=O)[C@H](CCOCOCc1ccccc1)O[Si](C)(C)C(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.