Using CC(C)(C)OC(=O)N[C@@H](Cc1ccccc1)C(=O)O, CCOC(CNCC#N)OCC to produce CC(C)(C)OC(=O)N1C=CN(CC#N)C(=O)[C@@H]1Cc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.