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