Using CC(C)(C)OC(=O)n1nc(-c2ccncc2)c2cc(O[Si](C)(C)C(C)(C)C)cnc21 to produce CC(C)(C)OC(=O)n1nc(-c2ccncc2)c2cc(O)cnc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.