Using COc1cccn2nc(C3(CO[Si](c4ccccc4)(c4ccccc4)C(C)(C)C)CC3)nc12 to produce COc1cccn2nc(C3(CO)CC3)nc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.