Using [OH-], C=CC[C@@H](CO[Si](C)(C)C(C)(C)C)C[C@H]1COC(C)(C)N1C(=O)OC(C)(C)C to produce CC(C)(C)OC(=O)N1[C@@H](C[C@@H](CCCO)CO[Si](C)(C)C(C)(C)C)COC1(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.