Using CC(C)(C)[Si](C)(C)Cl, COCCCOc1cc(C[C@@H](C[C@H](NC(=O)OC(C)(C)C)[C@@H](O)C[C@@H](C)C(=O)O)C(C)C)ccc1OC to produce COCCCOc1cc(C[C@@H](C[C@H](NC(=O)OC(C)(C)C)[C@H](C[C@@H](C)C(=O)O)O[Si](C)(C)C(C)(C)C)C(C)C)ccc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.