Using COC(=O)C12CC3CC(C1)N(C(=O)OC(C)(C)C)C(C3)C2 to produce CC(C)(C)OC(=O)N1C2CC3CC1CC(CO)(C3)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.