Using CN1C(=O)CCc2cc(-c3cncc(NCCO[Si](C)(C)C(C)(C)C)c3)ccc21 to produce CN1C(=O)CCc2cc(-c3cncc(NCCO)c3)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.