Using CON=C1[C@@H](CO[Si](c2ccccc2)(c2ccccc2)C(C)(C)C)C[C@H]2C[C@@H]1C2(C)C to produce CC1(C)[C@H]2C[C@H](CO[Si](c3ccccc3)(c3ccccc3)C(C)(C)C)C(N)[C@@H]1C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.