Using CCCCCc1ccc(-c2ccc(C=C[C@H]3CC[C@H](C#N)CC3)cc2)cc1 to produce CCCCCc1ccc(-c2ccc(CC[C@H]3CC[C@H](C#N)CC3)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.