Using CN1C[C@@H](C[C@H]2COC(C)(C)N2C(=O)OC(C)(C)C)CCC1=O to produce CN1C[C@@H](C[C@@H](CO)NC(=O)OC(C)(C)C)CCC1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.