Using CC1(C)Oc2cc(C3CCCCC3)cc(O)c2[C@H]2CC(=O)CC[C@H]21 to produce CC1(C)Oc2cc(C3CCCCC3)cc(O)c2[C@@H]2CC(=O)CC[C@H]21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.