Using CN(C[C@H](c1cccc(Cl)c1)N1C(=O)c2ccccc2C1=O)C(=O)OC(C)(C)C to produce CN(C[C@@H](N)c1cccc(Cl)c1)C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.