Using CC(C)(C)[Si](OCCc1ncc2c(n1)CCCC2N=[N+]=[N-])(c1ccccc1)c1ccccc1 to produce CC(C)(C)[Si](OCCc1ncc2c(n1)CCCC2N)(c1ccccc1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.