Using CN1C(=O)CC[C@]2(C)[C@H]3CC[C@]4(C)[C@@H](Oc5ccc(N)cc5)CC[C@H]4[C@@H]3CC[C@@H]12, CC(=O)OC(C)=O to produce CC(=O)Nc1ccc(O[C@H]2CC[C@H]3[C@@H]4CC[C@H]5N(C)C(=O)CC[C@]5(C)[C@H]4CC[C@]23C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.