Using Cc1nc(C(=O)N2CCOC3(CCN(CCc4ccc(CCO[Si](C)(C)C(C)(C)C)s4)CC3)C2)cs1 to produce Cc1nc(C(=O)N2CCOC3(CCN(CCc4ccc(CCO)s4)CC3)C2)cs1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.