Using CC(C)(C)OC(=O)N[C@@H]1CCN(C(=O)OC2C3CC4CC(C3)CC2C4)C1 to produce N[C@@H]1CCN(C(=O)OC2C3CC4CC(C3)CC2C4)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.