Using CC(=O)O[C@H]1CC[C@]2(C)[C@H]3CC[C@]4(C)[C@@H]([C@H](C)CCCC(C)(C)O)CC[C@H]4[C@@H]3CC[C@@]2(O)C1 to produce C[C@H](CCCC(C)(C)O)[C@H]1CC[C@H]2[C@@H]3CC[C@@]4(O)C[C@@H](O)CC[C@]4(C)[C@H]3CC[C@]12C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.