Using C[C@@H](C(=O)O)N(C(=O)OC(C)(C)C)c1ccccc1C#N to produce C[C@@H](C(=O)O)N(C(=O)OC(C)(C)C)c1ccccc1CN, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.