Using CCCCC[C@H]1CC[C@H](C2CCC(C3C=CC(=O)CC3)CC2)CC1 to produce CCCCC[C@H]1CC[C@H](C2CCC(C3C=CC(O)(CCCC)CC3)CC2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.