Using CCC[C@H]1CC[C@H](C2CC=C(c3ccc(C4=CCC([C@H]5CC[C@H](CCC)CC5)CC4)cc3)CC2)CC1 to produce CCC[C@H]1CC[C@H]([C@H]2CC[C@H](c3ccc([C@H]4CC[C@H]([C@H]5CC[C@H](CCC)CC5)CC4)cc3)CC2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.