Using CCOC(C)=O, CCN(CC)C(=O)[C@H]1CC[C@H]2[C@@H]3CNC4=CC(=O)CC[C@]4(C)[C@H]3CC[C@]12C to produce CCN(CC)C(=O)[C@H]1CC[C@H]2[C@@H]3CN(C)C4=CC(=O)CC[C@]4(C)[C@H]3CC[C@]12C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.