Using C[Si](C)(C)OC(=O)[C@@H]1C[C@@H](O[Si](C)(C)C)CN1C(=O)CCl to produce O=C(O)[C@@H]1C[C@@H](O)CN1C(=O)CCl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.