Using COC(=O)c1cn(C)c2cc(C3=CCC(O[Si](C)(C)C(C)(C)C)CC3)ccc12 to produce COC(=O)c1cn(C)c2cc(C3=CCC(O)CC3)ccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.