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