Using C#Cc1ccc2c(c1)[C@H](NC(=O)OC(C)C)C[C@H](C)N2C(C)=O, C[Si](C)(C)N=[N+]=[N-] to produce CC(=O)N1c2ccc(-c3c[nH]nn3)cc2[C@H](NC(=O)OC(C)C)C[C@@H]1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.