Using CC(C)(C)[Si](C)(C)N1C(=O)C(N=[N+]=[N-])C1CCOC(=O)C(F)(F)F to produce CC(C)(C)[Si](C)(C)N1C(=O)C(N=[N+]=[N-])C1CCO, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.