Using COCO[C@H]1CC[C@@H]2[C@H](CC[C@@H]3C[C@]4(C)C(C#N)=CC[C@H]4C[C@H]32)C1 to produce COCO[C@H]1CC[C@@H]2[C@H](CC[C@@H]3C[C@@]4(C)[C@@H](CC[C@@H]4C#N)C[C@H]32)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.