Using CC1(C)C2[C@@H](CO)C(=O)[C@H]3[C@@H]4CC[C@H](O[Si](C)(C)C(C)(C)C)[C@@]4(C)CC[C@@H]3[C@@]2(C)CCC12OCCO2 to produce CC1(C)C(=O)CC[C@@]2(C)C1[C@@H](CO)C(=O)[C@H]1[C@@H]3CC[C@H](O)[C@@]3(C)CC[C@@H]12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.