Using CC(C)(C)[Si](Cl)(c1ccccc1)c1ccccc1, C[C@H](O[Si](C)(C)C(C)(C)C)[C@@]1(NC(=O)N(C)C)C(=O)[C@]2(CO)O[C@@H]2[C@@H]1NC(=O)OCc1ccccc1 to produce C[C@H](O[Si](C)(C)C(C)(C)C)[C@@]1(NC(=O)N(C)C)C(=O)[C@]2(CO[Si](c3ccccc3)(c3ccccc3)C(C)(C)C)O[C@@H]2[C@@H]1NC(=O)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.