Using CC(C)[C@@H](COCc1ccccc1)C[C@H](NC(=O)OC(C)(C)C)[C@@H]1CO1, [NH4+] to produce CC(C)[C@@H](COCc1ccccc1)C[C@H](NC(=O)OC(C)(C)C)[C@@H](O)CN, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.