Using CCOC(=O)CC(C)[C@H](N=C1C[C@H]2C[C@H](C2(C)C)[C@@]1(C)O)C(=O)OC(C)(C)C to produce CCOC(=O)CC(C)[C@H](N)C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.