Using CC(C)(C)OC(=O)N1C[C@H](O[Si](C)(C)C(C)(C)C)C[C@H]1C1CNC(=O)C1 to produce O=C1CC([C@@H]2C[C@@H](O)CN2)CN1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.