Using CC(C)(C)[C@H](NC(=O)OCc1ccccc1)C(=O)N1C[C@@H]2C[C@H]1CN2C(=O)c1ccc(-c2ccccc2)cn1 to produce CC(C)(C)[C@H](N)C(=O)N1C[C@@H]2C[C@H]1CN2C(=O)c1ccc(-c2ccccc2)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.