Using CC(C)(C)[Si](C)(C)n1ccc2cc(-c3ccccc3Oc3ncccn3)cnc21 to produce c1cnc(Oc2ccccc2-c2cnc3[nH]ccc3c2)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.