Using CC1C(O)C2(CCN(C(=O)OC(C)(C)C)CC2)C(=O)N1C1=CC(=O)OC1, II to produce CC1C(I)C2(CCN(C(=O)OC(C)(C)C)CC2)C(=O)N1C1=CC(=O)OC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.