Using CI, Cc1cccc([C@@H]2CCN(C(=O)OC(C)(C)C)C[C@H]2O)c1 to produce CO[C@@H]1CN(C(=O)OC(C)(C)C)CC[C@H]1c1cccc(C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.