Using CC(C)(C)OC(=O)[C@@H]1C[C@@H](OS(C)(=O)=O)CN1C(=O)OC(C)(C)C, [C-]#N to produce CC(C)(C)OC(=O)[C@@H]1C[C@H](C#N)CN1C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.