Using CC(C)[Si](O[C@H]1CC[C@@]2(C)C(=CC(C)(O)[C@H]3[C@@H]4CC[C@H]([C@H](C)CCC(=O)O)[C@@]4(C)CC[C@@H]32)C1)(C(C)C)C(C)C, C[Si](C)(C)C=[N+]=[N-] to produce COC(=O)CC[C@@H](C)[C@H]1CC[C@H]2[C@H]3[C@H](CC[C@]12C)[C@@]1(C)CC[C@H](O[Si](C(C)C)(C(C)C)C(C)C)CC1=CC3(C)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.