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